168739368 has 32 divisors (see below), whose sum is σ = 482112960. Its totient is φ = 48211200.

The previous prime is 168739367. The next prime is 168739379. The reversal of 168739368 is 863937861.

It is a self number, because there is not a number n which added to its sum of digits gives 168739368.

It is not an unprimeable number, because it can be changed into a prime (168739367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502033 + ... + 502368.

It is an arithmetic number, because the mean of its divisors is an integer number (15066030).

Almost surely, 2^168739368 is an apocalyptic number.

It is an amenable number.

168739368 is an abundant number, since it is smaller than the sum of its proper divisors (313373592).

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

168739368 is a wasteful number, since it uses less digits than its factorization.

168739368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004417 (or 1004413 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 168739368 is about 12989.9718244498. The cubic root of 168739368 is about 552.5931190344.

The spelling of 168739368 in words is "one hundred sixty-eight million, seven hundred thirty-nine thousand, three hundred sixty-eight".