16854187472 has 40 divisors (see below), whose sum is σ = 32816593800. Its totient is φ = 8385462272.

The previous prime is 16854187439. The next prime is 16854187487. The reversal of 16854187472 is 27478145861.

It can be written as a sum of positive squares in 4 ways, for example, as 5264373136 + 11589814336 = 72556^2 + 107656^2 .

It is a congruent number.

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, 5792354 + ... + 5795262.

It is an arithmetic number, because the mean of its divisors is an integer number (820414845).

Almost surely, 2^16854187472 is an apocalyptic number.

It is an amenable number.

16854187472 is a deficient number, since it is larger than the sum of its proper divisors (15962406328).

16854187472 is a wasteful number, since it uses less digits than its factorization.

16854187472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583 (or 4577 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The spelling of 16854187472 in words is "sixteen billion, eight hundred fifty-four million, one hundred eighty-seven thousand, four hundred seventy-two".