168713567516 has 24 divisors (see below), whose sum is σ = 322705866000. Its totient is φ = 76705592832.

The previous prime is 168713567497. The next prime is 168713567521. The reversal of 168713567516 is 615765317861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24209141 + ... + 24216108.

It is an arithmetic number, because the mean of its divisors is an integer number (13446077750).

Almost surely, 2^168713567516 is an apocalyptic number.

It is an amenable number.

168713567516 is a deficient number, since it is larger than the sum of its proper divisors (153992298484).

168713567516 is a wasteful number, since it uses less digits than its factorization.

168713567516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48425333 (or 48425331 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 56.

The spelling of 168713567516 in words is "one hundred sixty-eight billion, seven hundred thirteen million, five hundred sixty-seven thousand, five hundred sixteen".