3651664160 has 48 divisors (see below), whose sum is σ = 8637160896. Its totient is φ = 1458955008.

The previous prime is 3651664157. The next prime is 3651664183. The reversal of 3651664160 is 614661563.

It is a super-2 number, since 2×3651664160² = 26669302274857011200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128357 + ... + 154203.

It is an arithmetic number, because the mean of its divisors is an integer number (179940852).

Almost surely, 2^3651664160 is an apocalyptic number.

It is an amenable number.

3651664160 is an abundant number, since it is smaller than the sum of its proper divisors (4985496736).

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

3651664160 is a wasteful number, since it uses less digits than its factorization.

3651664160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26745 (or 26737 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 3651664160 is about 60429.0009846266. Note that the first 3 decimals coincide. The cubic root of 3651664160 is about 1539.9156866192.

The spelling of 3651664160 in words is "three billion, six hundred fifty-one million, six hundred sixty-four thousand, one hundred sixty".