18037312874 has 64 divisors (see below), whose sum is σ = 33257952000. Its totient is φ = 7322462784.

The previous prime is 18037312873. The next prime is 18037312889. The reversal of 18037312874 is 47821373081.

It is a super-2 number, since 2×18037312874² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18037312873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045829 + ... + 1062935.

It is an arithmetic number, because the mean of its divisors is an integer number (519655500).

Almost surely, 2^18037312874 is an apocalyptic number.

18037312874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18037312874 is a deficient number, since it is larger than the sum of its proper divisors (15220639126).

18037312874 is a wasteful number, since it uses less digits than its factorization.

18037312874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17212 (or 17198 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 18037312874 in words is "eighteen billion, thirty-seven million, three hundred twelve thousand, eight hundred seventy-four".