168216969360 has 80 divisors (see below), whose sum is σ = 568879214400. Its totient is φ = 40779870720.

The previous prime is 168216969359. The next prime is 168216969373. The reversal of 168216969360 is 63969612861.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 168216969360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31856635 + ... + 31861914.

It is an arithmetic number, because the mean of its divisors is an integer number (7110990180).

Almost surely, 2^168216969360 is an apocalyptic number.

168216969360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168216969360 is an abundant number, since it is smaller than the sum of its proper divisors (400662245040).

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

168216969360 is a wasteful number, since it uses less digits than its factorization.

168216969360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63718576 (or 63718570 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 168216969360 in words is "one hundred sixty-eight billion, two hundred sixteen million, nine hundred sixty-nine thousand, three hundred sixty".