656023152 has 40 divisors (see below), whose sum is σ = 1753169040. Its totient is φ = 211133440.

The previous prime is 656023129. The next prime is 656023157. The reversal of 656023152 is 251320656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656023157) 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, 234249 + ... + 237032.

It is an arithmetic number, because the mean of its divisors is an integer number (43829226).

Almost surely, 2^656023152 is an apocalyptic number.

It is an amenable number.

656023152 is an abundant number, since it is smaller than the sum of its proper divisors (1097145888).

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

656023152 is a wasteful number, since it uses less digits than its factorization.

656023152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471321 (or 471315 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 656023152 is about 25612.9489126106. The cubic root of 656023152 is about 868.9065189273.

The spelling of 656023152 in words is "six hundred fifty-six million, twenty-three thousand, one hundred fifty-two".