172171083 has 16 divisors (see below), whose sum is σ = 267307776. Its totient is φ = 96526560.

The previous prime is 172171081. The next prime is 172171091. The reversal of 172171083 is 380171271.

172171083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172171083 - 2¹ = 172171081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172171083.

It is not an unprimeable number, because it can be changed into a prime (172171081) 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, 76233 + ... + 78458.

It is an arithmetic number, because the mean of its divisors is an integer number (16706736).

Almost surely, 2^172171083 is an apocalyptic number.

172171083 is a deficient number, since it is larger than the sum of its proper divisors (95136693).

172171083 is a wasteful number, since it uses less digits than its factorization.

172171083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154754.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 172171083 is about 13121.3979057111. The cubic root of 172171083 is about 556.3141038271.

The spelling of 172171083 in words is "one hundred seventy-two million, one hundred seventy-one thousand, eighty-three".