220166793 has 24 divisors (see below), whose sum is σ = 396492096. Its totient is φ = 114372000.

The previous prime is 220166789. The next prime is 220166801. The reversal of 220166793 is 397661022.

It is not a de Polignac number, because 220166793 - 2² = 220166789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220166393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158158 + ... + 159543.

It is an arithmetic number, because the mean of its divisors is an integer number (16520504).

Almost surely, 2^220166793 is an apocalyptic number.

It is an amenable number.

220166793 is a deficient number, since it is larger than the sum of its proper divisors (176325303).

220166793 is a wasteful number, since it uses less digits than its factorization.

220166793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317725 (or 317722 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 220166793 is about 14838.0184997863. The cubic root of 220166793 is about 603.8335954101.

The spelling of 220166793 in words is "two hundred twenty million, one hundred sixty-six thousand, seven hundred ninety-three".