2606966081 has 2 divisors, whose sum is σ = 2606966082. Its totient is φ = 2606966080.

The previous prime is 2606966077. The next prime is 2606966093. The reversal of 2606966081 is 1806696062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535385856 + 1071580225 = 39184^2 + 32735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606966081 - 2² = 2606966077 is a prime.

It is a super-2 number, since 2×2606966081² = 13592544294968997122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2606966051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303483040 + 1303483041.

It is an arithmetic number, because the mean of its divisors is an integer number (1303483041).

Almost surely, 2^2606966081 is an apocalyptic number.

It is an amenable number.

2606966081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606966081 is an equidigital number, since it uses as much as digits as its factorization.

2606966081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2606966081 is about 51058.4574874721. The cubic root of 2606966081 is about 1376.2958284944.

The spelling of 2606966081 in words is "two billion, six hundred six million, nine hundred sixty-six thousand, eighty-one".