2080991761758 has 192 divisors, whose sum is σ = 5773624496640. Its totient is φ = 547041693312.

The previous prime is 2080991761721. The next prime is 2080991761759. The reversal of 2080991761758 is 8571671990802.

2080991761758 is a `hidden beast` number, since 2 + 0 + 8 + 0 + 9 + 9 + 1 + 7 + 617 + 5 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 2080991761695 and 2080991761704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080991761759) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13500748 + ... + 13654016.

It is an arithmetic number, because the mean of its divisors is an integer number (30070960920).

Almost surely, 2^{2080991761758} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2080991761758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2886812248320).

2080991761758 is an abundant number, since it is smaller than the sum of its proper divisors (3692632734882).

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

2080991761758 is a wasteful number, since it uses less digits than its factorization.

2080991761758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153613 (or 153601 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 63.

The spelling of 2080991761758 in words is "two trillion, eighty billion, nine hundred ninety-one million, seven hundred sixty-one thousand, seven hundred fifty-eight".