5164505768 has 8 divisors (see below), whose sum is σ = 9683448330. Its totient is φ = 2582252880.

The previous prime is 5164505743. The next prime is 5164505809. The reversal of 5164505768 is 8675054615.

It can be written as a sum of positive squares in only one way, i.e., 5161272964 + 3232804 = 71842^2 + 1798^2 .

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, 322781603 + ... + 322781618.

Almost surely, 2^5164505768 is an apocalyptic number.

It is an amenable number.

5164505768 is a deficient number, since it is larger than the sum of its proper divisors (4518942562).

5164505768 is a wasteful number, since it uses less digits than its factorization.

5164505768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645563227 (or 645563223 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 5164505768 is about 71864.4958793979. The cubic root of 5164505768 is about 1728.5273497999.

The spelling of 5164505768 in words is "five billion, one hundred sixty-four million, five hundred five thousand, seven hundred sixty-eight".