166611112 has 32 divisors (see below), whose sum is σ = 326926080. Its totient is φ = 79505280.

The previous prime is 166611073. The next prime is 166611121. The reversal of 166611112 is 211116661.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13503 + ... + 22705.

It is an arithmetic number, because the mean of its divisors is an integer number (10216440).

Almost surely, 2^166611112 is an apocalyptic number.

It is an amenable number.

166611112 is a deficient number, since it is larger than the sum of its proper divisors (160314968).

166611112 is a wasteful number, since it uses less digits than its factorization.

166611112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313 (or 9309 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

The square root of 166611112 is about 12907.7926850411. The cubic root of 166611112 is about 550.2600555314.

Adding to 166611112 its reverse (211116661), we get a palindrome (377727773).

The spelling of 166611112 in words is "one hundred sixty-six million, six hundred eleven thousand, one hundred twelve".