172966068 has 72 divisors (see below), whose sum is σ = 478654176. Its totient is φ = 52228800.

The previous prime is 172966051. The next prime is 172966093. The reversal of 172966068 is 860669271.

172966068 is a `hidden beast` number, since 17 + 29 + 6 + 606 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147123 + ... + 148293.

Almost surely, 2^172966068 is an apocalyptic number.

172966068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172966068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239327088).

172966068 is an abundant number, since it is smaller than the sum of its proper divisors (305688108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172966068 is a wasteful number, since it uses less digits than its factorization.

172966068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 172966068 is about 13151.6564736158. The cubic root of 172966068 is about 557.1690333151.

The spelling of 172966068 in words is "one hundred seventy-two million, nine hundred sixty-six thousand, sixty-eight".