220665166562411 has 2 divisors, whose sum is σ = 220665166562412. Its totient is φ = 220665166562410.

The previous prime is 220665166562387. The next prime is 220665166562437. The reversal of 220665166562411 is 114265661566022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220665166562411 is a prime.

It is not a weakly prime, because it can be changed into another prime (220665166562441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110332583281205 + 110332583281206.

It is an arithmetic number, because the mean of its divisors is an integer number (110332583281206).

Almost surely, 2^{220665166562411} is an apocalyptic number.

220665166562411 is a deficient number, since it is larger than the sum of its proper divisors (1).

220665166562411 is an equidigital number, since it uses as much as digits as its factorization.

220665166562411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 220665166562411 in words is "two hundred twenty trillion, six hundred sixty-five billion, one hundred sixty-six million, five hundred sixty-two thousand, four hundred eleven".