3712143666 has 96 divisors (see below), whose sum is σ = 9746671680. Its totient is φ = 930921600.

The previous prime is 3712143653. The next prime is 3712143671. The reversal of 3712143666 is 6663412173.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73996 + ... + 113576.

It is an arithmetic number, because the mean of its divisors is an integer number (101527830).

Almost surely, 2^3712143666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3712143666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4873335840).

3712143666 is an abundant number, since it is smaller than the sum of its proper divisors (6034528014).

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

3712143666 is a wasteful number, since it uses less digits than its factorization.

3712143666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39640 (or 39633 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 3712143666 is about 60927.3638523775. The cubic root of 3712143666 is about 1548.3706313298.

The spelling of 3712143666 in words is "three billion, seven hundred twelve million, one hundred forty-three thousand, six hundred sixty-six".