16451722825612 has 24 divisors (see below), whose sum is σ = 29494008748512. Its totient is φ = 8024880681600.

The previous prime is 16451722825609. The next prime is 16451722825667. The reversal of 16451722825612 is 21652822715461.

It is a self number, because there is not a number n which added to its sum of digits gives 16451722825612.

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, 1604937 + ... + 5956447.

It is an arithmetic number, because the mean of its divisors is an integer number (1228917031188).

Almost surely, 2^{16451722825612} is an apocalyptic number.

It is an amenable number.

16451722825612 is a deficient number, since it is larger than the sum of its proper divisors (13042285922900).

16451722825612 is a wasteful number, since it uses less digits than its factorization.

16451722825612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374609 (or 4374607 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 52.

The spelling of 16451722825612 in words is "sixteen trillion, four hundred fifty-one billion, seven hundred twenty-two million, eight hundred twenty-five thousand, six hundred twelve".