5166615568 has 10 divisors (see below), whose sum is σ = 10010317694. Its totient is φ = 2583307776.

The previous prime is 5166615539. The next prime is 5166615581. The reversal of 5166615568 is 8655166615.

It can be written as a sum of positive squares in only one way, i.e., 3798503424 + 1368112144 = 61632^2 + 36988^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161456721 + ... + 161456752.

Almost surely, 2^5166615568 is an apocalyptic number.

It is an amenable number.

5166615568 is a deficient number, since it is larger than the sum of its proper divisors (4843702126).

5166615568 is a wasteful number, since it uses less digits than its factorization.

5166615568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322913481 (or 322913475 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 49.

The square root of 5166615568 is about 71879.1733953584. The cubic root of 5166615568 is about 1728.7626966511.

The spelling of 5166615568 in words is "five billion, one hundred sixty-six million, six hundred fifteen thousand, five hundred sixty-eight".