166038136 has 48 divisors (see below), whose sum is σ = 350242200. Its totient is φ = 73698240.

The previous prime is 166038121. The next prime is 166038143. The reversal of 166038136 is 631830661.

It is a happy number.

166038136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39630 + ... + 43618.

Almost surely, 2^166038136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166038136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175121100).

166038136 is an abundant number, since it is smaller than the sum of its proper divisors (184204064).

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

166038136 is a wasteful number, since it uses less digits than its factorization.

166038136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 166038136 is about 12885.5786055575. The cubic root of 166038136 is about 549.6285491916.

Adding to 166038136 its reverse (631830661), we get a palindrome (797868797).

The spelling of 166038136 in words is "one hundred sixty-six million, thirty-eight thousand, one hundred thirty-six".