168004613720 has 64 divisors (see below), whose sum is σ = 391697856000. Its totient is φ = 64808085888.

The previous prime is 168004613701. The next prime is 168004613731. The reversal of 168004613720 is 27316400861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482330 + ... + 754089.

It is an arithmetic number, because the mean of its divisors is an integer number (6120279000).

Almost surely, 2^168004613720 is an apocalyptic number.

168004613720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168004613720 is an abundant number, since it is smaller than the sum of its proper divisors (223693242280).

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

168004613720 is a wasteful number, since it uses less digits than its factorization.

168004613720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236552 (or 1236548 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 168004613720 in words is "one hundred sixty-eight billion, four million, six hundred thirteen thousand, seven hundred twenty".