156630620 has 24 divisors (see below), whose sum is σ = 337815744. Its totient is φ = 60958656.

The previous prime is 156630613. The next prime is 156630637. The reversal of 156630620 is 26036651.

It is a super-2 number, since 2×156630620² = 49066302243168800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105092 + ... + 106571.

It is an arithmetic number, because the mean of its divisors is an integer number (14075656).

Almost surely, 2^156630620 is an apocalyptic number.

156630620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156630620 is an abundant number, since it is smaller than the sum of its proper divisors (181185124).

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

156630620 is a wasteful number, since it uses less digits than its factorization.

156630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211709 (or 211707 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 156630620 is about 12515.2155394943. The cubic root of 156630620 is about 539.0456623656.

The spelling of 156630620 in words is "one hundred fifty-six million, six hundred thirty thousand, six hundred twenty".