220240166 has 4 divisors (see below), whose sum is σ = 330360252. Its totient is φ = 110120082.

The previous prime is 220240159. The next prime is 220240171. The reversal of 220240166 is 661042022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060040 + ... + 55060043.

It is an arithmetic number, because the mean of its divisors is an integer number (82590063).

Almost surely, 2^220240166 is an apocalyptic number.

220240166 is a deficient number, since it is larger than the sum of its proper divisors (110120086).

220240166 is a wasteful number, since it uses less digits than its factorization.

220240166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110120085.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220240166 is about 14840.4907600793. The cubic root of 220240166 is about 603.9006660175.

Adding to 220240166 its reverse (661042022), we get a palindrome (881282188).

The spelling of 220240166 in words is "two hundred twenty million, two hundred forty thousand, one hundred sixty-six".