172206006272 has 112 divisors (see below), whose sum is σ = 360138707712. Its totient is φ = 82182144000.

The previous prime is 172206006221. The next prime is 172206006277. The reversal of 172206006272 is 272600602271.

It is not an unprimeable number, because it can be changed into a prime (172206006277) 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, 141499808 + ... + 141501024.

It is an arithmetic number, because the mean of its divisors is an integer number (3215524176).

Almost surely, 2^172206006272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172206006272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180069353856).

172206006272 is an abundant number, since it is smaller than the sum of its proper divisors (187932701440).

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

172206006272 is an equidigital number, since it uses as much as digits as its factorization.

172206006272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 172206006272 in words is "one hundred seventy-two billion, two hundred six million, six thousand, two hundred seventy-two".