156020064 has 24 divisors (see below), whose sum is σ = 409552920. Its totient is φ = 52006656.

The previous prime is 156020057. The next prime is 156020089. The reversal of 156020064 is 460020651.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812509 + ... + 812700.

It is an arithmetic number, because the mean of its divisors is an integer number (17064705).

Almost surely, 2^156020064 is an apocalyptic number.

It is an amenable number.

156020064 is an abundant number, since it is smaller than the sum of its proper divisors (253532856).

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

156020064 is a wasteful number, since it uses less digits than its factorization.

156020064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625222 (or 1625214 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 156020064 is about 12490.7991737919. The cubic root of 156020064 is about 538.3443390181.

The spelling of 156020064 in words is "one hundred fifty-six million, twenty thousand, sixty-four".