5656662660 has 48 divisors (see below), whose sum is σ = 17278535232. Its totient is φ = 1371312000.

The previous prime is 5656662647. The next prime is 5656662709. The reversal of 5656662660 is 662666565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284691 + ... + 4286010.

It is an arithmetic number, because the mean of its divisors is an integer number (359969484).

Almost surely, 2^5656662660 is an apocalyptic number.

It is an amenable number.

5656662660 is an abundant number, since it is smaller than the sum of its proper divisors (11621872572).

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

5656662660 is a wasteful number, since it uses less digits than its factorization.

5656662660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570724 (or 8570722 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The square root of 5656662660 is about 75210.7881889294. The cubic root of 5656662660 is about 1781.7773204174. Note that the first 3 decimals are identical.

The spelling of 5656662660 in words is "five billion, six hundred fifty-six million, six hundred sixty-two thousand, six hundred sixty".