669159788318 has 16 divisors (see below), whose sum is σ = 1149935796960. Its totient is φ = 286081583616.

The previous prime is 669159788303. The next prime is 669159788333. The reversal of 669159788318 is 813887951966.

It is an interprime number because it is at equal distance from previous prime (669159788303) and next prime (669159788333).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 58425971 + ... + 58437422.

It is an arithmetic number, because the mean of its divisors is an integer number (71870987310).

Almost surely, 2^669159788318 is an apocalyptic number.

669159788318 is a deficient number, since it is larger than the sum of its proper divisors (480776008642).

669159788318 is a wasteful number, since it uses less digits than its factorization.

669159788318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116863811.

The product of its digits is 156764160, while the sum is 71.

The spelling of 669159788318 in words is "six hundred sixty-nine billion, one hundred fifty-nine million, seven hundred eighty-eight thousand, three hundred eighteen".