156336560 has 80 divisors (see below), whose sum is σ = 385570560. Its totient is φ = 58786560.

The previous prime is 156336529. The next prime is 156336563. The reversal of 156336560 is 65633651.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×156336560² = 48882239985267200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156336560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156336563) 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, 247445 + ... + 248075.

It is an arithmetic number, because the mean of its divisors is an integer number (4819632).

Almost surely, 2^156336560 is an apocalyptic number.

156336560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156336560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192785280).

156336560 is an abundant number, since it is smaller than the sum of its proper divisors (229234000).

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

156336560 is a wasteful number, since it uses less digits than its factorization.

156336560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 156336560 is about 12503.4619206042. The cubic root of 156336560 is about 538.7081143428.

The spelling of 156336560 in words is "one hundred fifty-six million, three hundred thirty-six thousand, five hundred sixty".