18108037 has 2 divisors, whose sum is σ = 18108038. Its totient is φ = 18108036.

The previous prime is 18108001. The next prime is 18108047. The reversal of 18108037 is 73080181.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17089956 + 1018081 = 4134^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 18108037 - 2¹⁹ = 17583749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18107996 and 18108014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18108047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054018 + 9054019.

It is an arithmetic number, because the mean of its divisors is an integer number (9054019).

Almost surely, 2^18108037 is an apocalyptic number.

It is an amenable number.

18108037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18108037 is an equidigital number, since it uses as much as digits as its factorization.

18108037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 18108037 is about 4255.3539218260. The cubic root of 18108037 is about 262.5974217381.

The spelling of 18108037 in words is "eighteen million, one hundred eight thousand, thirty-seven".