16452606560768 has 400 divisors, whose sum is σ = 39508246013544. Its totient is φ = 6840088657920.

The previous prime is 16452606560743. The next prime is 16452606560783. The reversal of 16452606560768 is 86706560625461.

It can be written as a sum of positive squares in 4 ways, for example, as 13387754109184 + 3064852451584 = 3658928^2 + 1750672^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16452606560768.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9929152196 + ... + 9929153852.

Almost surely, 2^{16452606560768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16452606560768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19754123006772).

16452606560768 is an abundant number, since it is smaller than the sum of its proper divisors (23055639452776).

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

16452606560768 is an frugal number, since it uses more digits than its factorization.

16452606560768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 62.

It can be divided in two parts, 1645260 and 6560768, that added together give a palindrome (8206028).

The spelling of 16452606560768 in words is "sixteen trillion, four hundred fifty-two billion, six hundred six million, five hundred sixty thousand, seven hundred sixty-eight".