656149060 has 48 divisors (see below), whose sum is σ = 1643233536. Its totient is φ = 215183232.

The previous prime is 656149019. The next prime is 656149079. The reversal of 656149060 is 60941656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98667 + ... + 105106.

It is an arithmetic number, because the mean of its divisors is an integer number (34234032).

Almost surely, 2^656149060 is an apocalyptic number.

It is an amenable number.

656149060 is an abundant number, since it is smaller than the sum of its proper divisors (987084476).

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

656149060 is a wasteful number, since it uses less digits than its factorization.

656149060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203812 (or 203810 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 656149060 is about 25615.4066920672. The cubic root of 656149060 is about 868.9621040000.

The spelling of 656149060 in words is "six hundred fifty-six million, one hundred forty-nine thousand, sixty".