18157474670 has 16 divisors (see below), whose sum is σ = 32716720800. Its totient is φ = 7255597344.

The previous prime is 18157474669. The next prime is 18157474681. The reversal of 18157474670 is 7647475181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913745 + ... + 933404.

It is an arithmetic number, because the mean of its divisors is an integer number (2044795050).

Almost surely, 2^18157474670 is an apocalyptic number.

18157474670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18157474670 is a deficient number, since it is larger than the sum of its proper divisors (14559246130).

18157474670 is a wasteful number, since it uses less digits than its factorization.

18157474670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848139.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 18157474670 in words is "eighteen billion, one hundred fifty-seven million, four hundred seventy-four thousand, six hundred seventy".