5118858664 has 8 divisors (see below), whose sum is σ = 9597860010. Its totient is φ = 2559429328.

The previous prime is 5118858649. The next prime is 5118858697. The reversal of 5118858664 is 4668588115.

It can be written as a sum of positive squares in only one way, i.e., 4536022500 + 582836164 = 67350^2 + 24142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319928659 + ... + 319928674.

Almost surely, 2^5118858664 is an apocalyptic number.

It is an amenable number.

5118858664 is a deficient number, since it is larger than the sum of its proper divisors (4479001346).

5118858664 is a wasteful number, since it uses less digits than its factorization.

5118858664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639857339 (or 639857335 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 52.

The square root of 5118858664 is about 71546.1995077307. The cubic root of 5118858664 is about 1723.4196730356.

The spelling of 5118858664 in words is "five billion, one hundred eighteen million, eight hundred fifty-eight thousand, six hundred sixty-four".