18660261704 has 32 divisors (see below), whose sum is σ = 40398516480. Its totient is φ = 7914806784.

The previous prime is 18660261691. The next prime is 18660261713. The reversal of 18660261704 is 40716206681.

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, 1712192 + ... + 1723055.

It is an arithmetic number, because the mean of its divisors is an integer number (1262453640).

Almost surely, 2^18660261704 is an apocalyptic number.

18660261704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18660261704 is an abundant number, since it is smaller than the sum of its proper divisors (21738254776).

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

18660261704 is a wasteful number, since it uses less digits than its factorization.

18660261704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435357 (or 3435353 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 18660261704 in words is "eighteen billion, six hundred sixty million, two hundred sixty-one thousand, seven hundred four".