668095612801 has 8 divisors (see below), whose sum is σ = 668684872800. Its totient is φ = 667506611328.

The previous prime is 668095612799. The next prime is 668095612823. The reversal of 668095612801 is 108216590866.

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 668095612801 - 2¹ = 668095612799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668095612901) 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, 5300625 + ... + 5425201.

It is an arithmetic number, because the mean of its divisors is an integer number (83585609100).

Almost surely, 2^668095612801 is an apocalyptic number.

It is an amenable number.

668095612801 is a deficient number, since it is larger than the sum of its proper divisors (589259999).

668095612801 is a wasteful number, since it uses less digits than its factorization.

668095612801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129263.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 668095612801 in words is "six hundred sixty-eight billion, ninety-five million, six hundred twelve thousand, eight hundred one".