5107991716 has 6 divisors (see below), whose sum is σ = 8938985510. Its totient is φ = 2553995856.

The previous prime is 5107991701. The next prime is 5107991741. The reversal of 5107991716 is 6171997015.

It can be written as a sum of positive squares in only one way, i.e., 4249736100 + 858255616 = 65190^2 + 29296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638498961 + ... + 638498968.

Almost surely, 2^5107991716 is an apocalyptic number.

It is an amenable number.

5107991716 is a deficient number, since it is larger than the sum of its proper divisors (3830993794).

5107991716 is a wasteful number, since it uses less digits than its factorization.

5107991716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276997933 (or 1276997931 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 46.

The square root of 5107991716 is about 71470.2155866344. The cubic root of 5107991716 is about 1722.1992459977.

The spelling of 5107991716 in words is "five billion, one hundred seven million, nine hundred ninety-one thousand, seven hundred sixteen".