156820629456 has 60 divisors (see below), whose sum is σ = 441177834240. Its totient is φ = 51999850560.

The previous prime is 156820629401. The next prime is 156820629463. The reversal of 156820629456 is 654926028651.

156820629456 is a `hidden beast` number, since 1 + 5 + 6 + 8 + 2 + 0 + 629 + 4 + 5 + 6 = 666.

156820629456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2823366 + ... + 2878373.

It is an arithmetic number, because the mean of its divisors is an integer number (7352963904).

Almost surely, 2^156820629456 is an apocalyptic number.

156820629456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156820629456 is an abundant number, since it is smaller than the sum of its proper divisors (284357204784).

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

156820629456 is a wasteful number, since it uses less digits than its factorization.

156820629456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701944 (or 5701935 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 156820629456 in words is "one hundred fifty-six billion, eight hundred twenty million, six hundred twenty-nine thousand, four hundred fifty-six".