4389641166 has 16 divisors (see below), whose sum is σ = 8856976464. Its totient is φ = 1450264704.

The previous prime is 4389641153. The next prime is 4389641177. The reversal of 4389641166 is 6611469834.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236521 + ... + 3237876.

It is an arithmetic number, because the mean of its divisors is an integer number (553561029).

Almost surely, 2^4389641166 is an apocalyptic number.

4389641166 is an abundant number, since it is smaller than the sum of its proper divisors (4467335298).

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

4389641166 is a wasteful number, since it uses less digits than its factorization.

4389641166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474515.

The product of its digits is 746496, while the sum is 48.

The square root of 4389641166 is about 66254.3671466266. The cubic root of 4389641166 is about 1637.3555893549.

The spelling of 4389641166 in words is "four billion, three hundred eighty-nine million, six hundred forty-one thousand, one hundred sixty-six".