168386672 has 20 divisors (see below), whose sum is σ = 334207776. Its totient is φ = 82139520.

The previous prime is 168386639. The next prime is 168386681. The reversal of 168386672 is 276683861.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127688 + ... + 128999.

Almost surely, 2^168386672 is an apocalyptic number.

It is an amenable number.

168386672 is a deficient number, since it is larger than the sum of its proper divisors (165821104).

168386672 is a wasteful number, since it uses less digits than its factorization.

168386672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256736 (or 256730 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 168386672 is about 12976.3890200626. The cubic root of 168386672 is about 552.2078437363.

The spelling of 168386672 in words is "one hundred sixty-eight million, three hundred eighty-six thousand, six hundred seventy-two".