2099816856576 has 528 divisors, whose sum is σ = 6403613134464. Its totient is φ = 687159853056.

The previous prime is 2099816856481. The next prime is 2099816856581. The reversal of 2099816856576 is 6756586189902.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 6051345235 + ... + 6051345581.

Almost surely, 2^{2099816856576} 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 2099816856576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201806567232).

2099816856576 is an abundant number, since it is smaller than the sum of its proper divisors (4303796277888).

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

2099816856576 is an equidigital number, since it uses as much as digits as its factorization.

2099816856576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 2099816856576 in words is "two trillion, ninety-nine billion, eight hundred sixteen million, eight hundred fifty-six thousand, five hundred seventy-six".