18680770374 has 32 divisors (see below), whose sum is σ = 42705701376. Its totient is φ = 5336513280.

The previous prime is 18680770369. The next prime is 18680770387. The reversal of 18680770374 is 47307708681.

It is a super-2 number, since 2×18680770374² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260694 + ... + 324534.

It is an arithmetic number, because the mean of its divisors is an integer number (1334553168).

Almost surely, 2^18680770374 is an apocalyptic number.

18680770374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18680770374 is an abundant number, since it is smaller than the sum of its proper divisors (24024931002).

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

18680770374 is a wasteful number, since it uses less digits than its factorization.

18680770374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70820.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 18680770374 in words is "eighteen billion, six hundred eighty million, seven hundred seventy thousand, three hundred seventy-four".