18042162 has 32 divisors (see below), whose sum is σ = 37643712. Its totient is φ = 5759424.

The previous prime is 18042161. The next prime is 18042163. The reversal of 18042162 is 26124081.

It is an interprime number because it is at equal distance from previous prime (18042161) and next prime (18042163).

It is not an unprimeable number, because it can be changed into a prime (18042161) 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 15 ways as a sum of consecutive naturals, for example, 14268 + ... + 15480.

It is an arithmetic number, because the mean of its divisors is an integer number (1176366).

Almost surely, 2^18042162 is an apocalyptic number.

18042162 is an abundant number, since it is smaller than the sum of its proper divisors (19601550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18042162 is a wasteful number, since it uses less digits than its factorization.

18042162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 18042162 is about 4247.6066202039. The cubic root of 18042162 is about 262.2786015286.

The spelling of 18042162 in words is "eighteen million, forty-two thousand, one hundred sixty-two".