166422116 has 24 divisors (see below), whose sum is σ = 340964736. Its totient is φ = 69583680.

The previous prime is 166422103. The next prime is 166422119. The reversal of 166422116 is 611224661.

It is not an unprimeable number, because it can be changed into a prime (166422119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71336 + ... + 73631.

It is an arithmetic number, because the mean of its divisors is an integer number (14206864).

Almost surely, 2^166422116 is an apocalyptic number.

It is an amenable number.

166422116 is an abundant number, since it is smaller than the sum of its proper divisors (174542620).

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

166422116 is a wasteful number, since it uses less digits than its factorization.

166422116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145019 (or 145017 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 166422116 is about 12900.4696038555. The cubic root of 166422116 is about 550.0519135571.

Adding to 166422116 its reverse (611224661), we get a palindrome (777646777).

The spelling of 166422116 in words is "one hundred sixty-six million, four hundred twenty-two thousand, one hundred sixteen".