656929052 has 24 divisors (see below), whose sum is σ = 1240082592. Its totient is φ = 302702400.

The previous prime is 656929033. The next prime is 656929057. The reversal of 656929052 is 250929656.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 656928994 and 656929012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656929057) 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, 22802 + ... + 42822.

It is an arithmetic number, because the mean of its divisors is an integer number (51670108).

Almost surely, 2^656929052 is an apocalyptic number.

It is an amenable number.

656929052 is a deficient number, since it is larger than the sum of its proper divisors (583153540).

656929052 is a wasteful number, since it uses less digits than its factorization.

656929052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20669 (or 20667 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 656929052 is about 25630.6272260357. The cubic root of 656929052 is about 869.3062915929.

The spelling of 656929052 in words is "six hundred fifty-six million, nine hundred twenty-nine thousand, fifty-two".