668119257283 has 8 divisors (see below), whose sum is σ = 677151370800. Its totient is φ = 659121036288.

The previous prime is 668119257241. The next prime is 668119257307. The reversal of 668119257283 is 382752911866.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-668119257283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668119257983) 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, 8433438 + ... + 8512291.

It is an arithmetic number, because the mean of its divisors is an integer number (84643921350).

Almost surely, 2^668119257283 is an apocalyptic number.

668119257283 is a deficient number, since it is larger than the sum of its proper divisors (9032113517).

668119257283 is a wasteful number, since it uses less digits than its factorization.

668119257283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946261.

The product of its digits is 8709120, while the sum is 58.

The spelling of 668119257283 in words is "six hundred sixty-eight billion, one hundred nineteen million, two hundred fifty-seven thousand, two hundred eighty-three".