172106499 has 8 divisors (see below), whose sum is σ = 235677520. Its totient is φ = 111636576.

The previous prime is 172106497. The next prime is 172106507. The reversal of 172106499 is 994601271.

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

It is not a de Polignac number, because 172106499 - 2¹ = 172106497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172106491) 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, 775144 + ... + 775365.

It is an arithmetic number, because the mean of its divisors is an integer number (29459690).

Almost surely, 2^172106499 is an apocalyptic number.

172106499 is a deficient number, since it is larger than the sum of its proper divisors (63571021).

172106499 is a wasteful number, since it uses less digits than its factorization.

172106499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550549.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 172106499 is about 13118.9366566045. The cubic root of 172106499 is about 556.2445344916.

The spelling of 172106499 in words is "one hundred seventy-two million, one hundred six thousand, four hundred ninety-nine".