166603112 has 16 divisors (see below), whose sum is σ = 336410340. Its totient is φ = 76893696.

The previous prime is 166602983. The next prime is 166603117. The reversal of 166603112 is 211306661.

166603112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 165533956 + 1069156 = 12866^2 + 1034^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (166603117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800873 + ... + 801080.

Almost surely, 2^166603112 is an apocalyptic number.

It is an amenable number.

166603112 is an abundant number, since it is smaller than the sum of its proper divisors (169807228).

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

166603112 is a wasteful number, since it uses less digits than its factorization.

166603112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601972 (or 1601968 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 166603112 is about 12907.4827910015. The cubic root of 166603112 is about 550.2512482939.

Adding to 166603112 its reverse (211306661), we get a palindrome (377909773).

The spelling of 166603112 in words is "one hundred sixty-six million, six hundred three thousand, one hundred twelve".