668926411427 has 8 divisors (see below), whose sum is σ = 713778724560. Its totient is φ = 625038664320.

The previous prime is 668926411409. The next prime is 668926411453. The reversal of 668926411427 is 724114629866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 668926411427 - 2²⁰ = 668925362851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668926411457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241140074 + ... + 241142847.

It is an arithmetic number, because the mean of its divisors is an integer number (89222340570).

Almost surely, 2^668926411427 is an apocalyptic number.

668926411427 is a deficient number, since it is larger than the sum of its proper divisors (44852313133).

668926411427 is a wasteful number, since it uses less digits than its factorization.

668926411427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482283013.

The product of its digits is 6967296, while the sum is 56.

The spelling of 668926411427 in words is "six hundred sixty-eight billion, nine hundred twenty-six million, four hundred eleven thousand, four hundred twenty-seven".