168645712 has 40 divisors (see below), whose sum is σ = 346852800. Its totient is φ = 79160832.

The previous prime is 168645703. The next prime is 168645727. The reversal of 168645712 is 217546861.

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, 200589 + ... + 201427.

It is an arithmetic number, because the mean of its divisors is an integer number (8671320).

Almost surely, 2^168645712 is an apocalyptic number.

It is an amenable number.

168645712 is an abundant number, since it is smaller than the sum of its proper divisors (178207088).

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

168645712 is a wasteful number, since it uses less digits than its factorization.

168645712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1597 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 168645712 is about 12986.3663894101. The cubic root of 168645712 is about 552.4908642184.

The spelling of 168645712 in words is "one hundred sixty-eight million, six hundred forty-five thousand, seven hundred twelve".