2680786895616 has 216 divisors, whose sum is σ = 7781397624000. Its totient is φ = 887592278016.

The previous prime is 2680786895551. The next prime is 2680786895639. The reversal of 2680786895616 is 6165986870862.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420248715 + ... + 420255093.

It is an arithmetic number, because the mean of its divisors is an integer number (36024989000).

Almost surely, 2^{2680786895616} 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 2680786895616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890698812000).

2680786895616 is an abundant number, since it is smaller than the sum of its proper divisors (5100610728384).

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

2680786895616 is a wasteful number, since it uses less digits than its factorization.

2680786895616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 2680786895616 in words is "two trillion, six hundred eighty billion, seven hundred eighty-six million, eight hundred ninety-five thousand, six hundred sixteen".