168548939 has 12 divisors (see below), whose sum is σ = 183972096. Its totient is φ = 154338912.

The previous prime is 168548929. The next prime is 168549011. The reversal of 168548939 is 939845861.

168548939 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 168548939 - 2²⁰ = 167500363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168548929) 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, 17537 + ... + 25389.

It is an arithmetic number, because the mean of its divisors is an integer number (15331008).

Almost surely, 2^168548939 is an apocalyptic number.

168548939 is a deficient number, since it is larger than the sum of its proper divisors (15423157).

168548939 is a wasteful number, since it uses less digits than its factorization.

168548939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 7993 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 168548939 is about 12982.6399087397. The cubic root of 168548939 is about 552.3851664457.

The spelling of 168548939 in words is "one hundred sixty-eight million, five hundred forty-eight thousand, nine hundred thirty-nine".