5166797864 has 16 divisors (see below), whose sum is σ = 9692946420. Its totient is φ = 2582012160.

The previous prime is 5166797837. The next prime is 5166797887. The reversal of 5166797864 is 4687976615.

It can be written as a sum of positive squares in 2 ways, for example, as 3301421764 + 1865376100 = 57458^2 + 43190^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157427 + ... + 187394.

Almost surely, 2^5166797864 is an apocalyptic number.

It is an amenable number.

5166797864 is a deficient number, since it is larger than the sum of its proper divisors (4526148556).

5166797864 is a wasteful number, since it uses less digits than its factorization.

5166797864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346700 (or 346696 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The square root of 5166797864 is about 71880.4414566299. The cubic root of 5166797864 is about 1728.7830286469.

The spelling of 5166797864 in words is "five billion, one hundred sixty-six million, seven hundred ninety-seven thousand, eight hundred sixty-four".