168411872 has 12 divisors (see below), whose sum is σ = 331560936. Its totient is φ = 84205920.

The previous prime is 168411851. The next prime is 168411883. The reversal of 168411872 is 278114861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631404 + ... + 2631467.

It is an arithmetic number, because the mean of its divisors is an integer number (27630078).

Almost surely, 2^168411872 is an apocalyptic number.

It is an amenable number.

168411872 is a deficient number, since it is larger than the sum of its proper divisors (163149064).

168411872 is an equidigital number, since it uses as much as digits as its factorization.

168411872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262881 (or 5262873 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The square root of 168411872 is about 12977.3599780541. The cubic root of 168411872 is about 552.2353893517.

The spelling of 168411872 in words is "one hundred sixty-eight million, four hundred eleven thousand, eight hundred seventy-two".