2216534166 has 64 divisors (see below), whose sum is σ = 6141058560. Its totient is φ = 575722080.

The previous prime is 2216534149. The next prime is 2216534179. The reversal of 2216534166 is 6614356122.

It is a self number, because there is not a number n which added to its sum of digits gives 2216534166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262381 + ... + 270696.

It is an arithmetic number, because the mean of its divisors is an integer number (95954040).

Almost surely, 2^2216534166 is an apocalyptic number.

2216534166 is an abundant number, since it is smaller than the sum of its proper divisors (3924524394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216534166 is a wasteful number, since it uses less digits than its factorization.

2216534166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533106 (or 533100 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2216534166 is about 47080.0824765633. The cubic root of 2216534166 is about 1303.8415297125.

The spelling of 2216534166 in words is "two billion, two hundred sixteen million, five hundred thirty-four thousand, one hundred sixty-six".