4066197061 has 2 divisors, whose sum is σ = 4066197062. Its totient is φ = 4066197060.

The previous prime is 4066197059. The next prime is 4066197169. The reversal of 4066197061 is 1607916604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2916648036 + 1149549025 = 54006^2 + 33905^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066197061 - 2¹ = 4066197059 is a prime.

Together with 4066197059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066197001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033098530 + 2033098531.

It is an arithmetic number, because the mean of its divisors is an integer number (2033098531).

Almost surely, 2^4066197061 is an apocalyptic number.

It is an amenable number.

4066197061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066197061 is an equidigital number, since it uses as much as digits as its factorization.

4066197061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 4066197061 is about 63766.7394571810. The cubic root of 4066197061 is about 1596.1099588868.

The spelling of 4066197061 in words is "four billion, sixty-six million, one hundred ninety-seven thousand, sixty-one".