12598170666 has 64 divisors (see below), whose sum is σ = 27037670400. Its totient is φ = 3901620096.

The previous prime is 12598170643. The next prime is 12598170667. The reversal of 12598170666 is 66607189521.

It is not an unprimeable number, because it can be changed into a prime (12598170667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776115 + ... + 1783193.

It is an arithmetic number, because the mean of its divisors is an integer number (422463600).

Almost surely, 2^12598170666 is an apocalyptic number.

12598170666 is an abundant number, since it is smaller than the sum of its proper divisors (14439499734).

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

12598170666 is a wasteful number, since it uses less digits than its factorization.

12598170666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 12598170666 in words is "twelve billion, five hundred ninety-eight million, one hundred seventy thousand, six hundred sixty-six".