18037869718 has 16 divisors (see below), whose sum is σ = 29529536400. Its totient is φ = 8195414400.

The previous prime is 18037869637. The next prime is 18037869721. The reversal of 18037869718 is 81796873081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129543 + ... + 229906.

It is an arithmetic number, because the mean of its divisors is an integer number (1845596025).

Almost surely, 2^18037869718 is an apocalyptic number.

18037869718 is a deficient number, since it is larger than the sum of its proper divisors (11491666682).

18037869718 is a wasteful number, since it uses less digits than its factorization.

18037869718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361743.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 18037869718 in words is "eighteen billion, thirty-seven million, eight hundred sixty-nine thousand, seven hundred eighteen".