699616164568 has 16 divisors (see below), whose sum is σ = 1311794372880. Its totient is φ = 349804331808.

The previous prime is 699616164497. The next prime is 699616164601. The reversal of 699616164568 is 865461616996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424005 + ... + 1256587.

It is an arithmetic number, because the mean of its divisors is an integer number (81987148305).

Almost surely, 2^699616164568 is an apocalyptic number.

It is an amenable number.

699616164568 is a deficient number, since it is larger than the sum of its proper divisors (612178208312).

699616164568 is a wasteful number, since it uses less digits than its factorization.

699616164568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937626 (or 937622 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 67.

The spelling of 699616164568 in words is "six hundred ninety-nine billion, six hundred sixteen million, one hundred sixty-four thousand, five hundred sixty-eight".