172668914 has 16 divisors (see below), whose sum is σ = 284354496. Its totient is φ = 77984400.

The previous prime is 172668901. The next prime is 172668919. The reversal of 172668914 is 419866271.

172668914 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172668919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21542 + ... + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (17772156).

Almost surely, 2^172668914 is an apocalyptic number.

172668914 is a deficient number, since it is larger than the sum of its proper divisors (111685582).

172668914 is a wasteful number, since it uses less digits than its factorization.

172668914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50161.

The product of its digits is 145152, while the sum is 44.

The square root of 172668914 is about 13140.3544092235. The cubic root of 172668914 is about 556.8497801181.

The spelling of 172668914 in words is "one hundred seventy-two million, six hundred sixty-eight thousand, nine hundred fourteen".