4066146121 has 2 divisors, whose sum is σ = 4066146122. Its totient is φ = 4066146120.

The previous prime is 4066146089. The next prime is 4066146131. The reversal of 4066146121 is 1216416604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4049540496 + 16605625 = 63636^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066146121 - 2⁵ = 4066146089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4066146131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033073060 + 2033073061.

It is an arithmetic number, because the mean of its divisors is an integer number (2033073061).

Almost surely, 2^4066146121 is an apocalyptic number.

It is an amenable number.

4066146121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066146121 is an equidigital number, since it uses as much as digits as its factorization.

4066146121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4066146121 is about 63766.3400313990. The cubic root of 4066146121 is about 1596.1032936760.

The spelling of 4066146121 in words is "four billion, sixty-six million, one hundred forty-six thousand, one hundred twenty-one".