99170169 has 48 divisors (see below), whose sum is σ = 163120320. Its totient is φ = 53343360.

The previous prime is 99170167. The next prime is 99170179. The reversal of 99170169 is 96107199.

It is not a de Polignac number, because 99170169 - 2¹ = 99170167 is a prime.

It is a super-2 number, since 2×99170169² = 19669444838977122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99170169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99170161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183039 + ... + 183579.

It is an arithmetic number, because the mean of its divisors is an integer number (3398340).

Almost surely, 2^99170169 is an apocalyptic number.

It is an amenable number.

99170169 is a deficient number, since it is larger than the sum of its proper divisors (63950151).

99170169 is a wasteful number, since it uses less digits than its factorization.

99170169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 99170169 is about 9958.4220135521. The cubic root of 99170169 is about 462.8714040313.

The spelling of 99170169 in words is "ninety-nine million, one hundred seventy thousand, one hundred sixty-nine".