5111671672 has 8 divisors (see below), whose sum is σ = 9584384400. Its totient is φ = 2555835832.

The previous prime is 5111671667. The next prime is 5111671699. The reversal of 5111671672 is 2761761115.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5111671672² = 52258374564654551168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319479472 + ... + 319479487.

It is an arithmetic number, because the mean of its divisors is an integer number (1198048050).

Almost surely, 2^5111671672 is an apocalyptic number.

It is an amenable number.

5111671672 is a deficient number, since it is larger than the sum of its proper divisors (4472712728).

5111671672 is a wasteful number, since it uses less digits than its factorization.

5111671672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638958965 (or 638958961 counting only the distinct ones).

The product of its digits is 17640, while the sum is 37.

The square root of 5111671672 is about 71495.9556338679. The cubic root of 5111671672 is about 1722.6127220088.

The spelling of 5111671672 in words is "five billion, one hundred eleven million, six hundred seventy-one thousand, six hundred seventy-two".