16085580465 has 16 divisors (see below), whose sum is σ = 25738776000. Its totient is φ = 8578360512.

The previous prime is 16085580457. The next prime is 16085580487. The reversal of 16085580465 is 56408558061.

It is not a de Polignac number, because 16085580465 - 2³ = 16085580457 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, 244686 + ... + 303384.

It is an arithmetic number, because the mean of its divisors is an integer number (1608673500).

Almost surely, 2^16085580465 is an apocalyptic number.

16085580465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16085580465 is a deficient number, since it is larger than the sum of its proper divisors (9653195535).

16085580465 is a wasteful number, since it uses less digits than its factorization.

16085580465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76976.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 16085580465 in words is "sixteen billion, eighty-five million, five hundred eighty thousand, four hundred sixty-five".