668097145759 has 8 divisors (see below), whose sum is σ = 674215699808. Its totient is φ = 662000882400.

The previous prime is 668097145757. The next prime is 668097145831. The reversal of 668097145759 is 957541790866.

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 668097145759 - 2¹ = 668097145757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 668097145694 and 668097145703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668097145757) 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, 5512452 + ... + 5632345.

It is an arithmetic number, because the mean of its divisors is an integer number (84276962476).

Almost surely, 2^668097145759 is an apocalyptic number.

668097145759 is a deficient number, since it is larger than the sum of its proper divisors (6118554049).

668097145759 is a wasteful number, since it uses less digits than its factorization.

668097145759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145345.

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 668097145759 in words is "six hundred sixty-eight billion, ninety-seven million, one hundred forty-five thousand, seven hundred fifty-nine".