3638168612 has 24 divisors (see below), whose sum is σ = 7154661696. Its totient is φ = 1606147488.

The previous prime is 3638168609. The next prime is 3638168627. The reversal of 3638168612 is 2168618363.

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 7 ways as a sum of consecutive naturals, for example, 1519778 + ... + 1522169.

It is an arithmetic number, because the mean of its divisors is an integer number (298110904).

Almost surely, 2^3638168612 is an apocalyptic number.

It is an amenable number.

3638168612 is a deficient number, since it is larger than the sum of its proper divisors (3516493084).

3638168612 is a wasteful number, since it uses less digits than its factorization.

3638168612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041987 (or 3041985 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 3638168612 is about 60317.2331261970. The cubic root of 3638168612 is about 1538.0163096615.

The spelling of 3638168612 in words is "three billion, six hundred thirty-eight million, one hundred sixty-eight thousand, six hundred twelve".