3973432168 has 64 divisors (see below), whose sum is σ = 7975512720. Its totient is φ = 1849344000.

The previous prime is 3973432159. The next prime is 3973432189. The reversal of 3973432168 is 8612343793.

It can be written as a sum of positive squares in 8 ways, for example, as 3916006084 + 57426084 = 62578^2 + 7578^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6611068 + ... + 6611668.

Almost surely, 2^3973432168 is an apocalyptic number.

It is an amenable number.

3973432168 is an abundant number, since it is smaller than the sum of its proper divisors (4002080552).

3973432168 is a wasteful number, since it uses less digits than its factorization.

3973432168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1074 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 3973432168 is about 63035.1661217768. The cubic root of 3973432168 is about 1583.8787584055.

The spelling of 3973432168 in words is "three billion, nine hundred seventy-three million, four hundred thirty-two thousand, one hundred sixty-eight".