156265164 has 72 divisors (see below), whose sum is σ = 438044880. Its totient is φ = 46569600.

The previous prime is 156265163. The next prime is 156265181. The reversal of 156265164 is 461562651.

156265164 = 107² + 108² + ... + 777².

156265164 is a `hidden beast` number, since 15 + 626 + 5 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (156265163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20922 + ... + 27390.

Almost surely, 2^156265164 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 156265164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219022440).

156265164 is an abundant number, since it is smaller than the sum of its proper divisors (281779716).

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

156265164 is a wasteful number, since it uses less digits than its factorization.

156265164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551 (or 6546 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 156265164 is about 12500.6065452841. The cubic root of 156265164 is about 538.6260958631.

The spelling of 156265164 in words is "one hundred fifty-six million, two hundred sixty-five thousand, one hundred sixty-four".