16865724096 has 672 divisors, whose sum is σ = 58545008640. Its totient is φ = 4803701760.

The previous prime is 16865724047. The next prime is 16865724107. The reversal of 16865724096 is 69042756861.

16865724096 is a `hidden beast` number, since 1 + 68 + 6 + 572 + 4 + 0 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 544055601 + ... + 544055631.

Almost surely, 2^16865724096 is an apocalyptic number.

16865724096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16865724096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29272504320).

16865724096 is an abundant number, since it is smaller than the sum of its proper divisors (41679284544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16865724096 is an equidigital number, since it uses as much as digits as its factorization.

16865724096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16865724096 in words is "sixteen billion, eight hundred sixty-five million, seven hundred twenty-four thousand, ninety-six".