16985015170 has 16 divisors (see below), whose sum is σ = 30767762808. Its totient is φ = 6750731520.

The previous prime is 16985015149. The next prime is 16985015189. The reversal of 16985015170 is 7151058961.

It can be written as a sum of positive squares in 4 ways, for example, as 14018796801 + 2966218369 = 118401^2 + 54463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407671 + ... + 5410810.

Almost surely, 2^16985015170 is an apocalyptic number.

16985015170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16985015170 is a deficient number, since it is larger than the sum of its proper divisors (13782747638).

16985015170 is a wasteful number, since it uses less digits than its factorization.

16985015170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818645.

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 16985015170 in words is "sixteen billion, nine hundred eighty-five million, fifteen thousand, one hundred seventy".