6158890766081 has 2 divisors, whose sum is σ = 6158890766082. Its totient is φ = 6158890766080.

The previous prime is 6158890766071. The next prime is 6158890766201. The reversal of 6158890766081 is 1806670988516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6136564429681 + 22326336400 = 2477209^2 + 149420^2 .

It is a cyclic number.

It is not a de Polignac number, because 6158890766081 - 2³⁴ = 6141710896897 is a prime.

It is a super-2 number, since 2×6158890766081² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6158890765999 and 6158890766017.

It is not a weakly prime, because it can be changed into another prime (6158890766071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079445383040 + 3079445383041.

It is an arithmetic number, because the mean of its divisors is an integer number (3079445383041).

Almost surely, 2^{6158890766081} is an apocalyptic number.

It is an amenable number.

6158890766081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6158890766081 is an equidigital number, since it uses as much as digits as its factorization.

6158890766081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 6158890766081 in words is "six trillion, one hundred fifty-eight billion, eight hundred ninety million, seven hundred sixty-six thousand, eighty-one".