18180076 has 12 divisors (see below), whose sum is σ = 31948840. Its totient is φ = 9051840.

The previous prime is 18180073. The next prime is 18180077. The reversal of 18180076 is 67008181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18180073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8466 + ... + 10393.

Almost surely, 2^18180076 is an apocalyptic number.

It is an amenable number.

18180076 is a deficient number, since it is larger than the sum of its proper divisors (13768764).

18180076 is a wasteful number, since it uses less digits than its factorization.

18180076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104 (or 19102 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 18180076 is about 4263.8100332918. The cubic root of 18180076 is about 262.9451904270.

The spelling of 18180076 in words is "eighteen million, one hundred eighty thousand, seventy-six".