4145639166 has 12 divisors (see below), whose sum is σ = 8982218232. Its totient is φ = 1381879716.

The previous prime is 4145639161. The next prime is 4145639237. The reversal of 4145639166 is 6619365414.

4145639166 is a `hidden beast` number, since 4 + 1 + 4 + 5 + 639 + 1 + 6 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145639161) 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, 115156626 + ... + 115156661.

It is an arithmetic number, because the mean of its divisors is an integer number (748518186).

Almost surely, 2^4145639166 is an apocalyptic number.

4145639166 is an abundant number, since it is smaller than the sum of its proper divisors (4836579066).

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

4145639166 is a wasteful number, since it uses less digits than its factorization.

4145639166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230313295 (or 230313292 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 4145639166 is about 64386.6381013949. The cubic root of 4145639166 is about 1606.4374974775.

The spelling of 4145639166 in words is "four billion, one hundred forty-five million, six hundred thirty-nine thousand, one hundred sixty-six".