18266036 has 12 divisors (see below), whose sum is σ = 32051712. Its totient is φ = 9108408.

The previous prime is 18265999. The next prime is 18266047. The reversal of 18266036 is 63066281.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18265993 and 18266011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (2670976).

Almost surely, 2^18266036 is an apocalyptic number.

It is an amenable number.

18266036 is a deficient number, since it is larger than the sum of its proper divisors (13785676).

18266036 is a wasteful number, since it uses less digits than its factorization.

18266036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310 (or 12308 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 18266036 is about 4273.8783323815. The cubic root of 18266036 is about 263.3589627710.

The spelling of 18266036 in words is "eighteen million, two hundred sixty-six thousand, thirty-six".