18303164 has 24 divisors (see below), whose sum is σ = 35054208. Its totient is φ = 8293040.

The previous prime is 18303151. The next prime is 18303199. The reversal of 18303164 is 46130381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21719 + ... + 22545.

It is an arithmetic number, because the mean of its divisors is an integer number (1460592).

Almost surely, 2^18303164 is an apocalyptic number.

It is an amenable number.

18303164 is a deficient number, since it is larger than the sum of its proper divisors (16751044).

18303164 is a wasteful number, since it uses less digits than its factorization.

18303164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18303164 is about 4278.2197232026. The cubic root of 18303164 is about 263.5372786728.

It can be divided in two parts, 1830 and 3164, that added together give a palindrome (4994).

The spelling of 18303164 in words is "eighteen million, three hundred three thousand, one hundred sixty-four".