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1668896096 = 25721139419
BaseRepresentation
bin110001101111001…
…0101010101100000
311022022022201001112
41203132111111200
511404214133341
6433334122452
756233245200
oct14336252540
94268281045
101668896096
1178705937a
123a6ab0428
132079a8caa
1411b90a400
159b7acaeb
hex63795560

1668896096 has 72 divisors (see below), whose sum is σ = 3856303080. Its totient is φ = 708836352.

The previous prime is 1668896087. The next prime is 1668896149. The reversal of 1668896096 is 6906988661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172475 + ... + 181893.

It is an arithmetic number, because the mean of its divisors is an integer number (53559765).

Almost surely, 21668896096 is an apocalyptic number.

1668896096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1668896096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928151540).

1668896096 is an abundant number, since it is smaller than the sum of its proper divisors (2187406984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1668896096 is a wasteful number, since it uses less digits than its factorization.

1668896096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556 (or 9541 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 59.

The square root of 1668896096 is about 40852.1247427842. The cubic root of 1668896096 is about 1186.1595221026.

The spelling of 1668896096 in words is "one billion, six hundred sixty-eight million, eight hundred ninety-six thousand, ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 113 196 224 226 392 452 784 791 904 1568 1582 1808 3164 3616 5537 6328 9419 11074 12656 18838 22148 25312 37676 44296 65933 75352 88592 131866 150704 177184 263732 301408 461531 527464 923062 1054928 1064347 1846124 2109856 2128694 3692248 4257388 7384496 7450429 8514776 14768992 14900858 17029552 29801716 34059104 52153003 59603432 104306006 119206864 208612012 238413728 417224024 834448048 1668896096