2068140771757 has 8 divisors (see below), whose sum is σ = 2198126116160. Its totient is φ = 1940269010400.

The previous prime is 2068140771751. The next prime is 2068140771761. The reversal of 2068140771757 is 7571770418602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2068140771757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2068140771698 and 2068140771707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068140771751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528393744 + ... + 528397657.

It is an arithmetic number, because the mean of its divisors is an integer number (274765764520).

Almost surely, 2^{2068140771757} is an apocalyptic number.

It is an amenable number.

2068140771757 is a deficient number, since it is larger than the sum of its proper divisors (129985344403).

2068140771757 is a wasteful number, since it uses less digits than its factorization.

2068140771757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056791523.

The product of its (nonzero) digits is 4609920, while the sum is 55.

The spelling of 2068140771757 in words is "two trillion, sixty-eight billion, one hundred forty million, seven hundred seventy-one thousand, seven hundred fifty-seven".