656334266260 has 48 divisors (see below), whose sum is σ = 1384687301760. Its totient is φ = 261317978240.

The previous prime is 656334266251. The next prime is 656334266267. The reversal of 656334266260 is 62662433656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656334266267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23871201 + ... + 23898679.

It is an arithmetic number, because the mean of its divisors is an integer number (28847652120).

Almost surely, 2^656334266260 is an apocalyptic number.

It is an amenable number.

656334266260 is an abundant number, since it is smaller than the sum of its proper divisors (728353035500).

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

656334266260 is a wasteful number, since it uses less digits than its factorization.

656334266260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976 (or 32974 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 656334266260 in words is "six hundred fifty-six billion, three hundred thirty-four million, two hundred sixty-six thousand, two hundred sixty".