168326913 has 16 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 110701056.

The previous prime is 168326849. The next prime is 168326927. The reversal of 168326913 is 319623861.

It is not a de Polignac number, because 168326913 - 2⁶ = 168326849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168326953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112456 + ... + 113942.

It is an arithmetic number, because the mean of its divisors is an integer number (14217840).

Almost surely, 2^168326913 is an apocalyptic number.

It is an amenable number.

168326913 is a deficient number, since it is larger than the sum of its proper divisors (59158527).

168326913 is a wasteful number, since it uses less digits than its factorization.

168326913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its digits is 46656, while the sum is 39.

The square root of 168326913 is about 12974.0862105969. The cubic root of 168326913 is about 552.1425113822.

The spelling of 168326913 in words is "one hundred sixty-eight million, three hundred twenty-six thousand, nine hundred thirteen".