5168512672 has 12 divisors (see below), whose sum is σ = 10175509386. Its totient is φ = 2584256320.

The previous prime is 5168512649. The next prime is 5168512681. The reversal of 5168512672 is 2762158615.

It can be written as a sum of positive squares in only one way, i.e., 4141694736 + 1026817936 = 64356^2 + 32044^2 .

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, 80757979 + ... + 80758042.

Almost surely, 2^5168512672 is an apocalyptic number.

It is an amenable number.

5168512672 is a deficient number, since it is larger than the sum of its proper divisors (5006996714).

5168512672 is a wasteful number, since it uses less digits than its factorization.

5168512672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161516031 (or 161516023 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 5168512672 is about 71892.3686631620. The cubic root of 5168512672 is about 1728.9742626982.

The spelling of 5168512672 in words is "five billion, one hundred sixty-eight million, five hundred twelve thousand, six hundred seventy-two".