168320313470 has 64 divisors (see below), whose sum is σ = 322696224000. Its totient is φ = 63212669440.

The previous prime is 168320313443. The next prime is 168320313493. The reversal of 168320313470 is 74313023861.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21171056 + ... + 21179004.

It is an arithmetic number, because the mean of its divisors is an integer number (5042128500).

Almost surely, 2^168320313470 is an apocalyptic number.

168320313470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168320313470 is a deficient number, since it is larger than the sum of its proper divisors (154375910530).

168320313470 is an equidigital number, since it uses as much as digits as its factorization.

168320313470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438 (or 8404 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 168320313470 in words is "one hundred sixty-eight billion, three hundred twenty million, three hundred thirteen thousand, four hundred seventy".