2537640164 has 12 divisors (see below), whose sum is σ = 4470281088. Its totient is φ = 1260417000.

The previous prime is 2537640151. The next prime is 2537640211. The reversal of 2537640164 is 4610467352.

It is a happy number.

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 in 3 ways as a sum of consecutive naturals, for example, 2100092 + ... + 2101299.

It is an arithmetic number, because the mean of its divisors is an integer number (372523424).

Almost surely, 2^2537640164 is an apocalyptic number.

It is an amenable number.

2537640164 is a deficient number, since it is larger than the sum of its proper divisors (1932640924).

2537640164 is a wasteful number, since it uses less digits than its factorization.

2537640164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201546 (or 4201544 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2537640164 is about 50374.9954243174. The cubic root of 2537640164 is about 1363.9863153399.

The spelling of 2537640164 in words is "two billion, five hundred thirty-seven million, six hundred forty thousand, one hundred sixty-four".