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160942730672640 = 2935731229421711
BaseRepresentation
bin100100100110000001100110…
…010010100111101000000000
3210002211222022121210012122110
4210212001212102213220000
5132043341203023011030
61330144023023135320
745620504620605030
oct4446014622475000
9702758277705573
10160942730672640
1147310479772964
1216073942a44540
136ba5ab01986c7
142ba5953a378c0
151391752e791b0
hex9260664a7a00

160942730672640 has 640 divisors, whose sum is σ = 609636043653120. Its totient is φ = 35444691763200.

The previous prime is 160942730672623. The next prime is 160942730672653. The reversal of 160942730672640 is 46276037249061.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381431385 + ... + 381853095.

It is an arithmetic number, because the mean of its divisors is an integer number (952556318208).

Almost surely, 2160942730672640 is an apocalyptic number.

160942730672640 is a gapful number since it is divisible by the number (10) 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 160942730672640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304818021826560).

160942730672640 is an abundant number, since it is smaller than the sum of its proper divisors (448693312980480).

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

160942730672640 is a wasteful number, since it uses less digits than its factorization.

160942730672640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422004 (or 421988 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 160942730672640 in words is "one hundred sixty trillion, nine hundred forty-two billion, seven hundred thirty million, six hundred seventy-two thousand, six hundred forty".