156399802416 has 120 divisors (see below), whose sum is σ = 514223660496. Its totient is φ = 43748190720.

The previous prime is 156399802379. The next prime is 156399802423. The reversal of 156399802416 is 614208993651.

156399802416 is a `hidden beast` number, since 1 + 5 + 6 + 399 + 8 + 0 + 241 + 6 = 666.

156399802416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3776995 + ... + 3818178.

Almost surely, 2^156399802416 is an apocalyptic number.

156399802416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156399802416 is an abundant number, since it is smaller than the sum of its proper divisors (357823858080).

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

156399802416 is a wasteful number, since it uses less digits than its factorization.

156399802416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595211 (or 7595202 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 156399802416 in words is "one hundred fifty-six billion, three hundred ninety-nine million, eight hundred two thousand, four hundred sixteen".