99968716684 has 24 divisors (see below), whose sum is σ = 178957275840. Its totient is φ = 48841516416.

The previous prime is 99968716663. The next prime is 99968716697. The reversal of 99968716684 is 48661786999.

99968716684 = T₂₅₈₁₅₇ + T₂₅₈₁₅₈ + T₂₅₈₁₅₉.

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, 314919 + ... + 546910.

It is an arithmetic number, because the mean of its divisors is an integer number (7456553160).

Almost surely, 2^99968716684 is an apocalyptic number.

99968716684 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

99968716684 is the 258159-th centered triangular number.

It is an amenable number.

99968716684 is a deficient number, since it is larger than the sum of its proper divisors (78988559156).

99968716684 is a wasteful number, since it uses less digits than its factorization.

99968716684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862497 (or 862495 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 73.

The spelling of 99968716684 in words is "ninety-nine billion, nine hundred sixty-eight million, seven hundred sixteen thousand, six hundred eighty-four".