156331156656 has 20 divisors (see below), whose sum is σ = 403855488152. Its totient is φ = 52110385536.

The previous prime is 156331156577. The next prime is 156331156661. The reversal of 156331156656 is 656651133651.

It is a super-3 number, since 3×156331156656³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 3256899097 = 156331156656 / (1 + 5 + 6 + 3 + 3 + 1 + 1 + 5 + 6 + 6 + 5 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628449501 + ... + 1628449596.

Almost surely, 2^156331156656 is an apocalyptic number.

156331156656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156331156656 is an abundant number, since it is smaller than the sum of its proper divisors (247524331496).

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

156331156656 is a wasteful number, since it uses less digits than its factorization.

156331156656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256899108 (or 3256899102 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 48.

The spelling of 156331156656 in words is "one hundred fifty-six billion, three hundred thirty-one million, one hundred fifty-six thousand, six hundred fifty-six".