156850916840 has 64 divisors (see below), whose sum is σ = 389920988160. Its totient is φ = 56482370560.

The previous prime is 156850916839. The next prime is 156850916861. The reversal of 156850916840 is 48619058651.

It is a super-2 number, since 2×156850916840² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998776 + ... + 5030055.

It is an arithmetic number, because the mean of its divisors is an integer number (6092515440).

Almost surely, 2^156850916840 is an apocalyptic number.

156850916840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156850916840 is an abundant number, since it is smaller than the sum of its proper divisors (233070071320).

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

156850916840 is a wasteful number, since it uses less digits than its factorization.

156850916840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028882 (or 10028878 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 156850916840 in words is "one hundred fifty-six billion, eight hundred fifty million, nine hundred sixteen thousand, eight hundred forty".