90994702170 has 16 divisors (see below), whose sum is σ = 218387285280. Its totient is φ = 24265253904.

The previous prime is 90994702091. The next prime is 90994702187. The reversal of 90994702170 is 7120749909.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516578340 + ... + 1516578399.

It is an arithmetic number, because the mean of its divisors is an integer number (13649205330).

Almost surely, 2^90994702170 is an apocalyptic number.

90994702170 is an abundant number, since it is smaller than the sum of its proper divisors (127392583110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90994702170 is a wasteful number, since it uses less digits than its factorization.

90994702170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033156749.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 90994702170 in words is "ninety billion, nine hundred ninety-four million, seven hundred two thousand, one hundred seventy".