18146332 has 6 divisors (see below), whose sum is σ = 31756088. Its totient is φ = 9073164.

The previous prime is 18146329. The next prime is 18146353. The reversal of 18146332 is 23364181.

It is a self number, because there is not a number n which added to its sum of digits gives 18146332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268288 + ... + 2268295.

Almost surely, 2^18146332 is an apocalyptic number.

It is an amenable number.

18146332 is a deficient number, since it is larger than the sum of its proper divisors (13609756).

18146332 is a wasteful number, since it uses less digits than its factorization.

18146332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536587 (or 4536585 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 18146332 is about 4259.8511711092. The cubic root of 18146332 is about 262.7824056696.

The spelling of 18146332 in words is "eighteen million, one hundred forty-six thousand, three hundred thirty-two".