172106099 has 8 divisors (see below), whose sum is σ = 189576192. Its totient is φ = 154940040.

The previous prime is 172106093. The next prime is 172106107. The reversal of 172106099 is 990601271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172106099 - 2⁴ = 172106083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172106093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74819 + ... + 77084.

It is an arithmetic number, because the mean of its divisors is an integer number (23697024).

Almost surely, 2^172106099 is an apocalyptic number.

172106099 is a deficient number, since it is larger than the sum of its proper divisors (17470093).

172106099 is a wasteful number, since it uses less digits than its factorization.

172106099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152017.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 172106099 is about 13118.9214114576. The cubic root of 172106099 is about 556.2441035608.

The spelling of 172106099 in words is "one hundred seventy-two million, one hundred six thousand, ninety-nine".