4129691166 has 12 divisors (see below), whose sum is σ = 8947664232. Its totient is φ = 1376563716.

The previous prime is 4129691161. The next prime is 4129691177. The reversal of 4129691166 is 6611969214.

It is a happy number.

4129691166 is a `hidden beast` number, since 412 + 96 + 91 + 1 + 66 = 666.

4129691166 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 not an unprimeable number, because it can be changed into a prime (4129691161) 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, 114713626 + ... + 114713661.

It is an arithmetic number, because the mean of its divisors is an integer number (745638686).

Almost surely, 2^4129691166 is an apocalyptic number.

4129691166 is an abundant number, since it is smaller than the sum of its proper divisors (4817973066).

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

4129691166 is a wasteful number, since it uses less digits than its factorization.

4129691166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229427295 (or 229427292 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 4129691166 is about 64262.6731936978. The cubic root of 4129691166 is about 1604.3748973408.

The spelling of 4129691166 in words is "four billion, one hundred twenty-nine million, six hundred ninety-one thousand, one hundred sixty-six".