16840285585 has 16 divisors (see below), whose sum is σ = 20307263040. Its totient is φ = 13406345280.

The previous prime is 16840285573. The next prime is 16840285633. The reversal of 16840285585 is 58558204861.

It is not a de Polignac number, because 16840285585 - 2⁹ = 16840285073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3857614 + ... + 3861976.

It is an arithmetic number, because the mean of its divisors is an integer number (1269203940).

Almost surely, 2^16840285585 is an apocalyptic number.

It is an amenable number.

16840285585 is a deficient number, since it is larger than the sum of its proper divisors (3466977455).

16840285585 is a wasteful number, since it uses less digits than its factorization.

16840285585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 3072000, while the sum is 52.

The spelling of 16840285585 in words is "sixteen billion, eight hundred forty million, two hundred eighty-five thousand, five hundred eighty-five".