16309678955328 has 126 divisors (see below), whose sum is σ = 51384989803602. Its totient is φ = 4942326935040.

The previous prime is 16309678955327. The next prime is 16309678955419. The reversal of 16309678955328 is 82355987690361.

16309678955328 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 9 + 6 + 7 + 89 + 5 + 532 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11556790622784 + 4752888332544 = 3399528^2 + 2180112^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309678955321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116936151 + ... + 117075542.

Almost surely, 2^{16309678955328} is an apocalyptic number.

16309678955328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16309678955328 is an abundant number, since it is smaller than the sum of its proper divisors (35075310848274).

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

16309678955328 is a wasteful number, since it uses less digits than its factorization.

16309678955328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234011733 (or 234011709 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 72.

The spelling of 16309678955328 in words is "sixteen trillion, three hundred nine billion, six hundred seventy-eight million, nine hundred fifty-five thousand, three hundred twenty-eight".