4165066643 has 2 divisors, whose sum is σ = 4165066644. Its totient is φ = 4165066642.

The previous prime is 4165066613. The next prime is 4165066651. The reversal of 4165066643 is 3466605614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4165066643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4165066643.

It is not a weakly prime, because it can be changed into another prime (4165066603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082533321 + 2082533322.

It is an arithmetic number, because the mean of its divisors is an integer number (2082533322).

Almost surely, 2^4165066643 is an apocalyptic number.

4165066643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165066643 is an equidigital number, since it uses as much as digits as its factorization.

4165066643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 4165066643 is about 64537.3275167170. The cubic root of 4165066643 is about 1608.9429738566.

The spelling of 4165066643 in words is "four billion, one hundred sixty-five million, sixty-six thousand, six hundred forty-three".