368181664 has 24 divisors (see below), whose sum is σ = 725285988. Its totient is φ = 183982080.

The previous prime is 368181659. The next prime is 368181673. The reversal of 368181664 is 466181863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 246741264 + 121440400 = 15708^2 + 11020^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 368181664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99984 + ... + 103600.

Almost surely, 2^368181664 is an apocalyptic number.

It is an amenable number.

368181664 is a deficient number, since it is larger than the sum of its proper divisors (357104324).

368181664 is a wasteful number, since it uses less digits than its factorization.

368181664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808 (or 6800 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 368181664 is about 19188.0604543555. The cubic root of 368181664 is about 716.7274734296.

The spelling of 368181664 in words is "three hundred sixty-eight million, one hundred eighty-one thousand, six hundred sixty-four".