2538775164 has 12 divisors (see below), whose sum is σ = 5923808744. Its totient is φ = 846258384.

The previous prime is 2538775157. The next prime is 2538775177. The reversal of 2538775164 is 4615778352.

2538775164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 105782287 + ... + 105782310.

Almost surely, 2^2538775164 is an apocalyptic number.

It is an amenable number.

2538775164 is an abundant number, since it is smaller than the sum of its proper divisors (3385033580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538775164 is a wasteful number, since it uses less digits than its factorization.

2538775164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211564604 (or 211564602 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 2538775164 is about 50386.2596746375. The cubic root of 2538775164 is about 1364.1896399009.

The spelling of 2538775164 in words is "two billion, five hundred thirty-eight million, seven hundred seventy-five thousand, one hundred sixty-four".