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16373687904 = 25327217131521
BaseRepresentation
bin11110011111111001…
…01010011001100000
31120021002222112020100
433033330222121200
5232013131003104
611304424542400
71116520023300
oct171774523140
946232875210
1016373687904
116a4257a082
12320b621a00
13170c314332
14b14847600
1565c70d139
hex3cff2a660

16373687904 has 432 divisors, whose sum is σ = 57899617776. Its totient is φ = 4361011200.

The previous prime is 16373687903. The next prime is 16373687917. The reversal of 16373687904 is 40978637361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16373687903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31427164 + ... + 31427684.

It is an arithmetic number, because the mean of its divisors is an integer number (134026893).

Almost surely, 216373687904 is an apocalyptic number.

16373687904 is a gapful number since it is divisible by the number (14) 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 16373687904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28949808888).

16373687904 is an abundant number, since it is smaller than the sum of its proper divisors (41525929872).

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

16373687904 is a wasteful number, since it uses less digits than its factorization.

16373687904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 16373687904 in words is "sixteen billion, three hundred seventy-three million, six hundred eighty-seven thousand, nine hundred four".