18160037 has 6 divisors (see below), whose sum is σ = 21124998. Its totient is φ = 15565704.

The previous prime is 18160031. The next prime is 18160057. The reversal of 18160037 is 73006181.

It can be written as a sum of positive squares in only one way, i.e., 11195716 + 6964321 = 3346^2 + 2639^2 .

It is not a de Polignac number, because 18160037 - 2⁸ = 18159781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18159988 and 18160015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18160031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185258 + ... + 185355.

It is an arithmetic number, because the mean of its divisors is an integer number (3520833).

Almost surely, 2^18160037 is an apocalyptic number.

It is an amenable number.

18160037 is a deficient number, since it is larger than the sum of its proper divisors (2964961).

18160037 is an equidigital number, since it uses as much as digits as its factorization.

18160037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370627 (or 370620 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 18160037 is about 4261.4594917704. The cubic root of 18160037 is about 262.8485444094.

The spelling of 18160037 in words is "eighteen million, one hundred sixty thousand, thirty-seven".