2107066081 has 2 divisors, whose sum is σ = 2107066082. Its totient is φ = 2107066080.

The previous prime is 2107066057. The next prime is 2107066127. The reversal of 2107066081 is 1806607012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440961600 + 666104481 = 37960^2 + 25809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107066081 - 2¹⁷ = 2106935009 is a prime.

It is a super-2 number, since 2×2107066081² = 8879454939401397122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2107066681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053533040 + 1053533041.

It is an arithmetic number, because the mean of its divisors is an integer number (1053533041).

Almost surely, 2^2107066081 is an apocalyptic number.

It is an amenable number.

2107066081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107066081 is an equidigital number, since it uses as much as digits as its factorization.

2107066081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2107066081 is about 45902.7894686151. The cubic root of 2107066081 is about 1282.0138548350.

The spelling of 2107066081 in words is "two billion, one hundred seven million, sixty-six thousand, eighty-one".