156870630 has 72 divisors (see below), whose sum is σ = 467065872. Its totient is φ = 35784288.

The previous prime is 156870601. The next prime is 156870641. The reversal of 156870630 is 36078651.

156870630 is a `hidden beast` number, since 15 + 6 + 8 + 7 + 0 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 314121 + ... + 314619.

It is an arithmetic number, because the mean of its divisors is an integer number (6487026).

Almost surely, 2^156870630 is an apocalyptic number.

156870630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156870630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233532936).

156870630 is an abundant number, since it is smaller than the sum of its proper divisors (310195242).

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

156870630 is an equidigital number, since it uses as much as digits as its factorization.

156870630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 156870630 is about 12524.8005972151. The cubic root of 156870630 is about 539.3208540303.

The spelling of 156870630 in words is "one hundred fifty-six million, eight hundred seventy thousand, six hundred thirty".