3581445166 has 16 divisors (see below), whose sum is σ = 6089907600. Its totient is φ = 1565975808.

The previous prime is 3581445163. The next prime is 3581445181. The reversal of 3581445166 is 6615441853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581445163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3624451 + ... + 3625438.

It is an arithmetic number, because the mean of its divisors is an integer number (380619225).

Almost surely, 2^3581445166 is an apocalyptic number.

3581445166 is a deficient number, since it is larger than the sum of its proper divisors (2508462434).

3581445166 is a wasteful number, since it uses less digits than its factorization.

3581445166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249923.

The product of its digits is 345600, while the sum is 43.

The square root of 3581445166 is about 59845.1766310369. The cubic root of 3581445166 is about 1529.9812272178.

The spelling of 3581445166 in words is "three billion, five hundred eighty-one million, four hundred forty-five thousand, one hundred sixty-six".