16852352585 has 16 divisors (see below), whose sum is σ = 20572926480. Its totient is φ = 13249797120.

The previous prime is 16852352533. The next prime is 16852352591. The reversal of 16852352585 is 58525325861.

It can be written as a sum of positive squares in 8 ways, for example, as 1570695424 + 15281657161 = 39632^2 + 123619^2 .

It is not a de Polignac number, because 16852352585 - 2²² = 16848158281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20411 + ... + 184719.

It is an arithmetic number, because the mean of its divisors is an integer number (1285807905).

Almost surely, 2^16852352585 is an apocalyptic number.

It is an amenable number.

16852352585 is a deficient number, since it is larger than the sum of its proper divisors (3720573895).

16852352585 is a wasteful number, since it uses less digits than its factorization.

16852352585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164668.

The product of its digits is 2880000, while the sum is 50.

The spelling of 16852352585 in words is "sixteen billion, eight hundred fifty-two million, three hundred fifty-two thousand, five hundred eighty-five".