18266075 has 12 divisors (see below), whose sum is σ = 23982840. Its totient is φ = 13752960.

The previous prime is 18266069. The next prime is 18266081. The reversal of 18266075 is 57066281.

It is an interprime number because it is at equal distance from previous prime (18266069) and next prime (18266081).

It is not a de Polignac number, because 18266075 - 2¹⁴ = 18249691 is a prime.

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, 21065 + ... + 21914.

It is an arithmetic number, because the mean of its divisors is an integer number (1998570).

Almost surely, 2^18266075 is an apocalyptic number.

18266075 is a deficient number, since it is larger than the sum of its proper divisors (5716765).

18266075 is a wasteful number, since it uses less digits than its factorization.

18266075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43006 (or 43001 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 18266075 is about 4273.8828949797. The cubic root of 18266075 is about 263.3591502044.

The spelling of 18266075 in words is "eighteen million, two hundred sixty-six thousand, seventy-five".