99170170 has 16 divisors (see below), whose sum is σ = 194734368. Its totient is φ = 36061840.

The previous prime is 99170167. The next prime is 99170179. The reversal of 99170170 is 7107199.

It is a happy number.

It is a super-3 number, since 3×99170170³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99170179) 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 7 ways as a sum of consecutive naturals, for example, 450664 + ... + 450883.

It is an arithmetic number, because the mean of its divisors is an integer number (12170898).

Almost surely, 2^99170170 is an apocalyptic number.

99170170 is a deficient number, since it is larger than the sum of its proper divisors (95564198).

99170170 is a wasteful number, since it uses less digits than its factorization.

99170170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901565.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 99170170 is about 9958.4220637609. The cubic root of 99170170 is about 462.8714055871.

The spelling of 99170170 in words is "ninety-nine million, one hundred seventy thousand, one hundred seventy".