660111254433164 has 6 divisors (see below), whose sum is σ = 1155194695258044. Its totient is φ = 330055627216580.

The previous prime is 660111254433119. The next prime is 660111254433203. The reversal of 660111254433164 is 461334452111066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82513906804142 + ... + 82513906804149.

It is an arithmetic number, because the mean of its divisors is an integer number (192532449209674).

Almost surely, 2^{660111254433164} is an apocalyptic number.

It is an amenable number.

660111254433164 is a deficient number, since it is larger than the sum of its proper divisors (495083440824880).

660111254433164 is a wasteful number, since it uses less digits than its factorization.

660111254433164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165027813608295 (or 165027813608293 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 660111254433164 in words is "six hundred sixty trillion, one hundred eleven billion, two hundred fifty-four million, four hundred thirty-three thousand, one hundred sixty-four".