168716682 has 20 divisors (see below), whose sum is σ = 378050706. Its totient is φ = 56238840.

The previous prime is 168716657. The next prime is 168716683. The reversal of 168716682 is 286617861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 101787921 + 66928761 = 10089^2 + 8181^2 .

It is not an unprimeable number, because it can be changed into a prime (168716683) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 520569 + ... + 520892.

Almost surely, 2^168716682 is an apocalyptic number.

168716682 is an abundant number, since it is smaller than the sum of its proper divisors (209334024).

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

168716682 is a wasteful number, since it uses less digits than its factorization.

168716682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041475 (or 1041466 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 168716682 is about 12989.0985830426. The cubic root of 168716682 is about 552.5683536433.

The spelling of 168716682 in words is "one hundred sixty-eight million, seven hundred sixteen thousand, six hundred eighty-two".