3966112538 has 8 divisors (see below), whose sum is σ = 5983557588. Its totient is φ = 1971593344.

The previous prime is 3966112537. The next prime is 3966112543. The reversal of 3966112538 is 8352116693.

It can be written as a sum of positive squares in 2 ways, for example, as 3174984409 + 791128129 = 56347^2 + 28127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3966112537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731031 + ... + 5731722.

Almost surely, 2^3966112538 is an apocalyptic number.

3966112538 is a deficient number, since it is larger than the sum of its proper divisors (2017445050).

3966112538 is a wasteful number, since it uses less digits than its factorization.

3966112538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462928.

The product of its digits is 233280, while the sum is 44.

The square root of 3966112538 is about 62977.0794654690. The cubic root of 3966112538 is about 1582.9055835628.

The spelling of 3966112538 in words is "three billion, nine hundred sixty-six million, one hundred twelve thousand, five hundred thirty-eight".