156920628 has 48 divisors (see below), whose sum is σ = 383160960. Its totient is φ = 49889664.

The previous prime is 156920627. The next prime is 156920641. The reversal of 156920628 is 826029651.

156920628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156920627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139926 + ... + 141042.

It is an arithmetic number, because the mean of its divisors is an integer number (7982520).

Almost surely, 2^156920628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156920628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191580480).

156920628 is an abundant number, since it is smaller than the sum of its proper divisors (226240332).

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

156920628 is a wasteful number, since it uses less digits than its factorization.

156920628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 156920628 is about 12526.7963981219. The cubic root of 156920628 is about 539.3781456125.

The spelling of 156920628 in words is "one hundred fifty-six million, nine hundred twenty thousand, six hundred twenty-eight".