656246466 has 24 divisors (see below), whose sum is σ = 1423369584. Its totient is φ = 218517720.

The previous prime is 656246449. The next prime is 656246497. The reversal of 656246466 is 664642656.

656246466 is a `hidden beast` number, since 6 + 562 + 46 + 46 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1296 + ... + 36251.

It is an arithmetic number, because the mean of its divisors is an integer number (59307066).

Almost surely, 2^656246466 is an apocalyptic number.

656246466 is an abundant number, since it is smaller than the sum of its proper divisors (767123118).

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

656246466 is a wasteful number, since it uses less digits than its factorization.

656246466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38526 (or 38523 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 656246466 is about 25617.3079381890. The cubic root of 656246466 is about 869.0051013105.

The spelling of 656246466 in words is "six hundred fifty-six million, two hundred forty-six thousand, four hundred sixty-six".