18662112 has 72 divisors (see below), whose sum is σ = 60658416. Its totient is φ = 5331456.

The previous prime is 18662089. The next prime is 18662159. The reversal of 18662112 is 21126681.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (842478).

Almost surely, 2^18662112 is an apocalyptic number.

18662112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18662112 is an abundant number, since it is smaller than the sum of its proper divisors (41996304).

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

18662112 is a wasteful number, since it uses less digits than its factorization.

18662112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280 (or 9269 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 18662112 is about 4319.9666665381. The cubic root of 18662112 is about 265.2489034390.

Adding to 18662112 its reverse (21126681), we get a palindrome (39788793).

The spelling of 18662112 in words is "eighteen million, six hundred sixty-two thousand, one hundred twelve".