2765986081168 has 10 divisors (see below), whose sum is σ = 5359098032294. Its totient is φ = 1382993040576.

The previous prime is 2765986081163. The next prime is 2765986081211. The reversal of 2765986081168 is 8611806895672.

It can be written as a sum of positive squares in only one way, i.e., 2691594609664 + 74391471504 = 1640608^2 + 272748^2 .

It is not an unprimeable number, because it can be changed into a prime (2765986081163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86437065021 + ... + 86437065052.

Almost surely, 2^{2765986081168} is an apocalyptic number.

It is an amenable number.

2765986081168 is a deficient number, since it is larger than the sum of its proper divisors (2593111951126).

2765986081168 is a wasteful number, since it uses less digits than its factorization.

2765986081168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172874130081 (or 172874130075 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 67.

The spelling of 2765986081168 in words is "two trillion, seven hundred sixty-five billion, nine hundred eighty-six million, eighty-one thousand, one hundred sixty-eight".