656392152 has 32 divisors (see below), whose sum is σ = 1767210480. Its totient is φ = 201966720.

The previous prime is 656392123. The next prime is 656392153. The reversal of 656392152 is 251293656.

It is a super-2 number, since 2×656392152² = 861701314414382208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 656392152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656392153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051599 + ... + 1052222.

Almost surely, 2^656392152 is an apocalyptic number.

It is an amenable number.

656392152 is an abundant number, since it is smaller than the sum of its proper divisors (1110818328).

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

656392152 is a wasteful number, since it uses less digits than its factorization.

656392152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103843 (or 2103839 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 656392152 is about 25620.1512876095. The cubic root of 656392152 is about 869.0694026141.

The spelling of 656392152 in words is "six hundred fifty-six million, three hundred ninety-two thousand, one hundred fifty-two".