172298169 has 12 divisors (see below), whose sum is σ = 250057392. Its totient is φ = 114319800.

The previous prime is 172298117. The next prime is 172298173. The reversal of 172298169 is 961892271.

172298169 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 172298169 - 2¹⁶ = 172232633 is a prime.

It is a super-2 number, since 2×172298169² = 59373318081505122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172298069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43467 + ... + 47264.

It is an arithmetic number, because the mean of its divisors is an integer number (20838116).

Almost surely, 2^172298169 is an apocalyptic number.

It is an amenable number.

172298169 is a deficient number, since it is larger than the sum of its proper divisors (77759223).

172298169 is a wasteful number, since it uses less digits than its factorization.

172298169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90948 (or 90945 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 172298169 is about 13126.2397128805. The cubic root of 172298169 is about 556.4509490021.

The spelling of 172298169 in words is "one hundred seventy-two million, two hundred ninety-eight thousand, one hundred sixty-nine".