172066600120 has 64 divisors (see below), whose sum is σ = 396518807520. Its totient is φ = 67164002304.

The previous prime is 172066600117. The next prime is 172066600129. The reversal of 172066600120 is 21006660271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172066600129) 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, 1841244 + ... + 1932436.

Almost surely, 2^172066600120 is an apocalyptic number.

172066600120 is a gapful number since it is divisible by the number (10) 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 172066600120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198259403760).

172066600120 is an abundant number, since it is smaller than the sum of its proper divisors (224452207400).

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

172066600120 is a wasteful number, since it uses less digits than its factorization.

172066600120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92344 (or 92340 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 172066600120 in words is "one hundred seventy-two billion, sixty-six million, six hundred thousand, one hundred twenty".