2672164868 has 12 divisors (see below), whose sum is σ = 4676763420. Its totient is φ = 1335946752.

The previous prime is 2672164853. The next prime is 2672164871. The reversal of 2672164868 is 8684612762.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2397865024 + 274299844 = 48968^2 + 16562^2 .

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, 19868 + ... + 75756.

It is an arithmetic number, because the mean of its divisors is an integer number (389730285).

Almost surely, 2^2672164868 is an apocalyptic number.

It is an amenable number.

2672164868 is a deficient number, since it is larger than the sum of its proper divisors (2004598552).

2672164868 is a wasteful number, since it uses less digits than its factorization.

2672164868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67846 (or 67844 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 2672164868 is about 51692.9866422903. The cubic root of 2672164868 is about 1387.6749544069.

The spelling of 2672164868 in words is "two billion, six hundred seventy-two million, one hundred sixty-four thousand, eight hundred sixty-eight".