18800168 has 8 divisors (see below), whose sum is σ = 35250330. Its totient is φ = 9400080.

The previous prime is 18800153. The next prime is 18800179. The reversal of 18800168 is 86100881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16662724 + 2137444 = 4082^2 + 1462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1175003 + ... + 1175018.

Almost surely, 2^18800168 is an apocalyptic number.

It is an amenable number.

18800168 is a deficient number, since it is larger than the sum of its proper divisors (16450162).

18800168 is a wasteful number, since it uses less digits than its factorization.

18800168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350027 (or 2350023 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 18800168 is about 4335.9160508478. The cubic root of 18800168 is about 265.9013710888.

The spelling of 18800168 in words is "eighteen million, eight hundred thousand, one hundred sixty-eight".