2166482198 has 8 divisors (see below), whose sum is σ = 3257910192. Its totient is φ = 1080512136.

The previous prime is 2166482191. The next prime is 2166482221. The reversal of 2166482198 is 8912846612.

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

It is a super-2 number, since 2×2166482198² = 9387290228501822408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166482191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363490 + ... + 1365077.

It is an arithmetic number, because the mean of its divisors is an integer number (407238774).

Almost surely, 2^2166482198 is an apocalyptic number.

2166482198 is a deficient number, since it is larger than the sum of its proper divisors (1091427994).

2166482198 is a wasteful number, since it uses less digits than its factorization.

2166482198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728966.

The product of its digits is 331776, while the sum is 47.

The square root of 2166482198 is about 46545.4852590453. The cubic root of 2166482198 is about 1293.9526219149.

The spelling of 2166482198 in words is "two billion, one hundred sixty-six million, four hundred eighty-two thousand, one hundred ninety-eight".