18266796 has 36 divisors (see below), whose sum is σ = 47887112. Its totient is φ = 6088608.

The previous prime is 18266777. The next prime is 18266797. The reversal of 18266796 is 69766281.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×18266796² = 667351672211232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18266797) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 8425 + ... + 10368.

Almost surely, 2^18266796 is an apocalyptic number.

It is an amenable number.

18266796 is an abundant number, since it is smaller than the sum of its proper divisors (29620316).

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

18266796 is a wasteful number, since it uses less digits than its factorization.

18266796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812 (or 18798 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 18266796 is about 4273.9672436742. The cubic root of 18266796 is about 263.3626152700.

The spelling of 18266796 in words is "eighteen million, two hundred sixty-six thousand, seven hundred ninety-six".