69664310808 has 32 divisors (see below), whose sum is σ = 174889497600. Its totient is φ = 23124274208.

The previous prime is 69664310797. The next prime is 69664310851. The reversal of 69664310808 is 80801346696.

It is a super-2 number, since 2×69664310808² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6066816 + ... + 6078287.

It is an arithmetic number, because the mean of its divisors is an integer number (5465296800).

Almost surely, 2^69664310808 is an apocalyptic number.

It is an amenable number.

69664310808 is an abundant number, since it is smaller than the sum of its proper divisors (105225186792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69664310808 is a wasteful number, since it uses less digits than its factorization.

69664310808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145351 (or 12145347 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 69664310808 in words is "sixty-nine billion, six hundred sixty-four million, three hundred ten thousand, eight hundred eight".