668270523683 has 8 divisors (see below), whose sum is σ = 764223901440. Its totient is φ = 572438685960.

The previous prime is 668270523671. The next prime is 668270523689. The reversal of 668270523683 is 386325072866.

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 668270523683 - 2⁶ = 668270523619 is a prime.

It is a super-3 number, since 3×668270523683³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668270523689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30373223 + ... + 30395216.

It is an arithmetic number, because the mean of its divisors is an integer number (95527987680).

Almost surely, 2^668270523683 is an apocalyptic number.

668270523683 is a deficient number, since it is larger than the sum of its proper divisors (95953377757).

668270523683 is a wasteful number, since it uses less digits than its factorization.

668270523683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60770017.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 668270523683 in words is "six hundred sixty-eight billion, two hundred seventy million, five hundred twenty-three thousand, six hundred eighty-three".