168985716 has 12 divisors (see below), whose sum is σ = 394300032. Its totient is φ = 56328568.

The previous prime is 168985711. The next prime is 168985717. The reversal of 168985716 is 617589861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168985711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7041060 + ... + 7041083.

It is an arithmetic number, because the mean of its divisors is an integer number (32858336).

Almost surely, 2^168985716 is an apocalyptic number.

It is an amenable number.

168985716 is an abundant number, since it is smaller than the sum of its proper divisors (225314316).

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

168985716 is a wasteful number, since it uses less digits than its factorization.

168985716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14082150 (or 14082148 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 168985716 is about 12999.4506037755. The cubic root of 168985716 is about 552.8619043966.

The spelling of 168985716 in words is "one hundred sixty-eight million, nine hundred eighty-five thousand, seven hundred sixteen".