166140112 has 20 divisors (see below), whose sum is σ = 328746816. Its totient is φ = 81302240.

The previous prime is 166140097. The next prime is 166140119. The reversal of 166140112 is 211041661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166140119) 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, 109714 + ... + 111217.

Almost surely, 2^166140112 is an apocalyptic number.

It is an amenable number.

166140112 is a deficient number, since it is larger than the sum of its proper divisors (162606704).

166140112 is a wasteful number, since it uses less digits than its factorization.

166140112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220986 (or 220980 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 166140112 is about 12889.5349799750. The cubic root of 166140112 is about 549.7410483471.

Adding to 166140112 its reverse (211041661), we get a palindrome (377181773).

The spelling of 166140112 in words is "one hundred sixty-six million, one hundred forty thousand, one hundred twelve".