156811264 has 60 divisors (see below), whose sum is σ = 332650584. Its totient is φ = 73662464.

The previous prime is 156811261. The next prime is 156811271. The reversal of 156811264 is 462118651.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (156811261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278247 + ... + 278809.

Almost surely, 2^156811264 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 156811264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166325292).

156811264 is an abundant number, since it is smaller than the sum of its proper divisors (175839320).

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

156811264 is an frugal number, since it uses more digits than its factorization.

156811264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 582 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 156811264 is about 12522.4304350234. The cubic root of 156811264 is about 539.2528120572.

The spelling of 156811264 in words is "one hundred fifty-six million, eight hundred eleven thousand, two hundred sixty-four".