669150688915 has 8 divisors (see below), whose sum is σ = 813145141440. Its totient is φ = 528544341312.

The previous prime is 669150688903. The next prime is 669150688931. The reversal of 669150688915 is 519886051966.

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 669150688915 - 2⁹ = 669150688403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847025794 + ... + 847026583.

It is an arithmetic number, because the mean of its divisors is an integer number (101643142680).

Almost surely, 2^669150688915 is an apocalyptic number.

669150688915 is a deficient number, since it is larger than the sum of its proper divisors (143994452525).

669150688915 is a wasteful number, since it uses less digits than its factorization.

669150688915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694052461.

The product of its (nonzero) digits is 27993600, while the sum is 64.

The spelling of 669150688915 in words is "six hundred sixty-nine billion, one hundred fifty million, six hundred eighty-eight thousand, nine hundred fifteen".