168272851 has 12 divisors (see below), whose sum is σ = 180520912. Its totient is φ = 156809088.

The previous prime is 168272777. The next prime is 168272857. The reversal of 168272851 is 158272861.

168272851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168272851 - 2⁹ = 168272339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168272857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26941 + ... + 32593.

Almost surely, 2^168272851 is an apocalyptic number.

168272851 is a deficient number, since it is larger than the sum of its proper divisors (12248061).

168272851 is a wasteful number, since it uses less digits than its factorization.

168272851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790 (or 5773 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 168272851 is about 12972.0025824851. The cubic root of 168272851 is about 552.0833940290.

The spelling of 168272851 in words is "one hundred sixty-eight million, two hundred seventy-two thousand, eight hundred fifty-one".