166118422 has 8 divisors (see below), whose sum is σ = 250828272. Its totient is φ = 82509000.

The previous prime is 166118389. The next prime is 166118423. The reversal of 166118422 is 224811661.

166118422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166118423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274729 + ... + 275332.

It is an arithmetic number, because the mean of its divisors is an integer number (31353534).

Almost surely, 2^166118422 is an apocalyptic number.

166118422 is a deficient number, since it is larger than the sum of its proper divisors (84709850).

166118422 is a wasteful number, since it uses less digits than its factorization.

166118422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550214.

The product of its digits is 4608, while the sum is 31.

The square root of 166118422 is about 12888.6935722749. The cubic root of 166118422 is about 549.7171239576.

The spelling of 166118422 in words is "one hundred sixty-six million, one hundred eighteen thousand, four hundred twenty-two".