2575664188 has 12 divisors (see below), whose sum is σ = 4512908232. Its totient is φ = 1286261840.

The previous prime is 2575664153. The next prime is 2575664191. The reversal of 2575664188 is 8814665752.

It is a happy number.

It is a super-3 number, since 3×2575664188³ (a number of 29 digits) contains 333 as substring.

It is a congruent 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, 388870 + ... + 395437.

It is an arithmetic number, because the mean of its divisors is an integer number (376075686).

Almost surely, 2^2575664188 is an apocalyptic number.

It is an amenable number.

2575664188 is a deficient number, since it is larger than the sum of its proper divisors (1937244044).

2575664188 is a wasteful number, since it uses less digits than its factorization.

2575664188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785132 (or 785130 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 52.

The square root of 2575664188 is about 50751.0018423282. The cubic root of 2575664188 is about 1370.7652300478.

The spelling of 2575664188 in words is "two billion, five hundred seventy-five million, six hundred sixty-four thousand, one hundred eighty-eight".