166536036 has 18 divisors (see below), whose sum is σ = 420966182. Its totient is φ = 55512000.

The previous prime is 166535953. The next prime is 166536037. The reversal of 166536036 is 630635661.

It is a happy number.

166536036 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 only one way, i.e., 103428900 + 63107136 = 10170^2 + 7944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4626001 = 166536036 / (1 + 6 + 6 + 5 + 3 + 6 + 0 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (166536037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2312965 + ... + 2313036.

Almost surely, 2^166536036 is an apocalyptic number.

It is an amenable number.

166536036 is an abundant number, since it is smaller than the sum of its proper divisors (254430146).

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

166536036 is a wasteful number, since it uses less digits than its factorization.

166536036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626011 (or 4626006 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 166536036 is about 12904.8841916539. The cubic root of 166536036 is about 550.1773929166.

The spelling of 166536036 in words is "one hundred sixty-six million, five hundred thirty-six thousand, thirty-six".