3638828164 has 12 divisors (see below), whose sum is σ = 6448556800. Its totient is φ = 1796383368.

The previous prime is 3638828161. The next prime is 3638828177. The reversal of 3638828164 is 4618288363.

It is a super-2 number, since 2×3638828164² = 26482140814239221792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3638828161) by changing a digit.

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, 5757324 + ... + 5757955.

Almost surely, 2^3638828164 is an apocalyptic number.

It is an amenable number.

3638828164 is a deficient number, since it is larger than the sum of its proper divisors (2809728636).

3638828164 is a wasteful number, since it uses less digits than its factorization.

3638828164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515362 (or 11515360 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 3638828164 is about 60322.7002379701. The cubic root of 3638828164 is about 1538.1092447385.

The spelling of 3638828164 in words is "three billion, six hundred thirty-eight million, eight hundred twenty-eight thousand, one hundred sixty-four".