16582313648 has 20 divisors (see below), whose sum is σ = 32811813600. Its totient is φ = 8114748864.

The previous prime is 16582313567. The next prime is 16582313663. The reversal of 16582313648 is 84631328561.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11024723 + ... + 11026226.

It is an arithmetic number, because the mean of its divisors is an integer number (1640590680).

Almost surely, 2^16582313648 is an apocalyptic number.

It is an amenable number.

16582313648 is a deficient number, since it is larger than the sum of its proper divisors (16229499952).

16582313648 is a wasteful number, since it uses less digits than its factorization.

16582313648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22051004 (or 22050998 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 16582313648 in words is "sixteen billion, five hundred eighty-two million, three hundred thirteen thousand, six hundred forty-eight".