5056155666 has 12 divisors (see below), whose sum is σ = 10955003982. Its totient is φ = 1685385216.

The previous prime is 5056155649. The next prime is 5056155679. The reversal of 5056155666 is 6665516505.

It can be written as a sum of positive squares in only one way, i.e., 4980830625 + 75325041 = 70575^2 + 8679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140448751 + ... + 140448786.

Almost surely, 2^5056155666 is an apocalyptic number.

5056155666 is an abundant number, since it is smaller than the sum of its proper divisors (5898848316).

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

5056155666 is a wasteful number, since it uses less digits than its factorization.

5056155666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280897545 (or 280897542 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 5056155666 is about 71106.6499421819. The cubic root of 5056155666 is about 1716.3537850275.

The spelling of 5056155666 in words is "five billion, fifty-six million, one hundred fifty-five thousand, six hundred sixty-six".