18700118330 has 16 divisors (see below), whose sum is σ = 33675885864. Its totient is φ = 7476564480.

The previous prime is 18700118323. The next prime is 18700118363. The reversal of 18700118330 is 3381100781.

It can be written as a sum of positive squares in 4 ways, for example, as 6315321961 + 12384796369 = 79469^2 + 111287^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 412751 + ... + 455810.

Almost surely, 2^18700118330 is an apocalyptic number.

18700118330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18700118330 is a deficient number, since it is larger than the sum of its proper divisors (14975767534).

18700118330 is a wasteful number, since it uses less digits than its factorization.

18700118330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870721.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 18700118330 in words is "eighteen billion, seven hundred million, one hundred eighteen thousand, three hundred thirty".