16869817724 has 12 divisors (see below), whose sum is σ = 30150312864. Its totient is φ = 8255442624.

The previous prime is 16869817721. The next prime is 16869817733. The reversal of 16869817724 is 42771896861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16869817721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44866349 + ... + 44866724.

It is an arithmetic number, because the mean of its divisors is an integer number (2512526072).

Almost surely, 2^16869817724 is an apocalyptic number.

It is an amenable number.

16869817724 is a deficient number, since it is larger than the sum of its proper divisors (13280495140).

16869817724 is a wasteful number, since it uses less digits than its factorization.

16869817724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89733124 (or 89733122 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The spelling of 16869817724 in words is "sixteen billion, eight hundred sixty-nine million, eight hundred seventeen thousand, seven hundred twenty-four".