5176257664 has 16 divisors (see below), whose sum is σ = 10312076070. Its totient is φ = 2588128768.

The previous prime is 5176257641. The next prime is 5176257683. The reversal of 5176257664 is 4667526715.

It can be written as a sum of positive squares in only one way, i.e., 5070579264 + 105678400 = 71208^2 + 10280^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20219629 + ... + 20219884.

Almost surely, 2^5176257664 is an apocalyptic number.

It is an amenable number.

5176257664 is a deficient number, since it is larger than the sum of its proper divisors (5135818406).

5176257664 is an equidigital number, since it uses as much as digits as its factorization.

5176257664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439527 (or 40439515 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The square root of 5176257664 is about 71946.2136877265. The cubic root of 5176257664 is about 1729.8374516215.

The spelling of 5176257664 in words is "five billion, one hundred seventy-six million, two hundred fifty-seven thousand, six hundred sixty-four".