669706599307 has 16 divisors (see below), whose sum is σ = 720352627200. Its totient is φ = 620615377440.

The previous prime is 669706599277. The next prime is 669706599379. The reversal of 669706599307 is 703995607966.

It is a cyclic number.

It is not a de Polignac number, because 669706599307 - 2⁷ = 669706599179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669706579307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410169 + ... + 1824277.

It is an arithmetic number, because the mean of its divisors is an integer number (45022039200).

Almost surely, 2^669706599307 is an apocalyptic number.

669706599307 is a deficient number, since it is larger than the sum of its proper divisors (50646027893).

669706599307 is a wasteful number, since it uses less digits than its factorization.

669706599307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415986.

The product of its (nonzero) digits is 115736040, while the sum is 67.

The spelling of 669706599307 in words is "six hundred sixty-nine billion, seven hundred six million, five hundred ninety-nine thousand, three hundred seven".