168239516 has 12 divisors (see below), whose sum is σ = 297455088. Its totient is φ = 83252352.

The previous prime is 168239453. The next prime is 168239537. The reversal of 168239516 is 615932861.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216416 + ... + 217191.

It is an arithmetic number, because the mean of its divisors is an integer number (24787924).

Almost surely, 2^168239516 is an apocalyptic number.

It is an amenable number.

168239516 is a deficient number, since it is larger than the sum of its proper divisors (129215572).

168239516 is a wasteful number, since it uses less digits than its factorization.

168239516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433708 (or 433706 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 168239516 is about 12970.7176362760. The cubic root of 168239516 is about 552.0469355526.

The spelling of 168239516 in words is "one hundred sixty-eight million, two hundred thirty-nine thousand, five hundred sixteen".