18266037 has 16 divisors (see below), whose sum is σ = 25293312. Its totient is φ = 11712960.

The previous prime is 18265999. The next prime is 18266047. The reversal of 18266037 is 73066281.

It is not a de Polignac number, because 18266037 - 2⁸ = 18265781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18265989 and 18266007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18266047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17823 + ... + 18819.

It is an arithmetic number, because the mean of its divisors is an integer number (1580832).

Almost surely, 2^18266037 is an apocalyptic number.

It is an amenable number.

18266037 is a deficient number, since it is larger than the sum of its proper divisors (7027275).

18266037 is a wasteful number, since it uses less digits than its factorization.

18266037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 18266037 is about 4273.8784493712. The cubic root of 18266037 is about 263.3589675770.

The spelling of 18266037 in words is "eighteen million, two hundred sixty-six thousand, thirty-seven".