18680560770 has 16 divisors (see below), whose sum is σ = 44833345920. Its totient is φ = 4981482864.

The previous prime is 18680560711. The next prime is 18680560781. The reversal of 18680560770 is 7706508681.

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, 311342650 + ... + 311342709.

It is an arithmetic number, because the mean of its divisors is an integer number (2802084120).

Almost surely, 2^18680560770 is an apocalyptic number.

18680560770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18680560770 is an abundant number, since it is smaller than the sum of its proper divisors (26152785150).

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

18680560770 is a wasteful number, since it uses less digits than its factorization.

18680560770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622685369.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 18680560770 in words is "eighteen billion, six hundred eighty million, five hundred sixty thousand, seven hundred seventy".