168019472 has 20 divisors (see below), whose sum is σ = 325778256. Its totient is φ = 83947680.

The previous prime is 168019469. The next prime is 168019477. The reversal of 168019472 is 274910861.

It is not an unprimeable number, because it can be changed into a prime (168019477) 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, 24947 + ... + 30957.

Almost surely, 2^168019472 is an apocalyptic number.

It is an amenable number.

168019472 is a deficient number, since it is larger than the sum of its proper divisors (157758784).

168019472 is a wasteful number, since it uses less digits than its factorization.

168019472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 168019472 is about 12962.2325237592. The cubic root of 168019472 is about 551.8061526160.

The spelling of 168019472 in words is "one hundred sixty-eight million, nineteen thousand, four hundred seventy-two".