2166224633663 has 8 divisors (see below), whose sum is σ = 2203143267600. Its totient is φ = 2129312765248.

The previous prime is 2166224633641. The next prime is 2166224633687. The reversal of 2166224633663 is 3663364226612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166224633663 - 2²⁸ = 2165956198207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166224633063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043456 + ... + 2328357.

It is an arithmetic number, because the mean of its divisors is an integer number (275392908450).

Almost surely, 2^{2166224633663} is an apocalyptic number.

2166224633663 is a deficient number, since it is larger than the sum of its proper divisors (36918633937).

2166224633663 is a wasteful number, since it uses less digits than its factorization.

2166224633663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382761.

The product of its digits is 6718464, while the sum is 50.

The spelling of 2166224633663 in words is "two trillion, one hundred sixty-six billion, two hundred twenty-four million, six hundred thirty-three thousand, six hundred sixty-three".