16572448797696 has 528 divisors, whose sum is σ = 53374141686528. Its totient is φ = 4909518028800.

The previous prime is 16572448797631. The next prime is 16572448797701. The reversal of 16572448797696 is 69679784427561.

16572448797696 is a `hidden beast` number, since 1 + 6 + 5 + 72 + 4 + 487 + 9 + 7 + 69 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6294130396 + ... + 6294133028.

Almost surely, 2^{16572448797696} is an apocalyptic number.

16572448797696 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 16572448797696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26687070843264).

16572448797696 is an abundant number, since it is smaller than the sum of its proper divisors (36801692888832).

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

16572448797696 is a wasteful number, since it uses less digits than its factorization.

16572448797696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4017 counting only the distinct ones).

The product of its digits is 7681443840, while the sum is 81.

The spelling of 16572448797696 in words is "sixteen trillion, five hundred seventy-two billion, four hundred forty-eight million, seven hundred ninety-seven thousand, six hundred ninety-six".