220142166 has 8 divisors (see below), whose sum is σ = 440284344. Its totient is φ = 73380720.

The previous prime is 220142141. The next prime is 220142201. The reversal of 220142166 is 661241022.

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

220142166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18345175 + ... + 18345186.

It is an arithmetic number, because the mean of its divisors is an integer number (55035543).

Almost surely, 2^220142166 is an apocalyptic number.

220142166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220142166 is a wasteful number, since it uses less digits than its factorization.

220142166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36690366.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 220142166 is about 14837.1886150982. The cubic root of 220142166 is about 603.8110804126.

Adding to 220142166 its reverse (661241022), we get a palindrome (881383188).

The spelling of 220142166 in words is "two hundred twenty million, one hundred forty-two thousand, one hundred sixty-six".