3966158399 has 8 divisors (see below), whose sum is σ = 4533133440. Its totient is φ = 3399278616.

The previous prime is 3966158393. The next prime is 3966158447. The reversal of 3966158399 is 9938516693.

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

It is a cyclic number.

It is not a de Polignac number, because 3966158399 - 2²⁰ = 3965109823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966158393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150212 + ... + 174630.

It is an arithmetic number, because the mean of its divisors is an integer number (566641680).

Almost surely, 2^3966158399 is an apocalyptic number.

3966158399 is a deficient number, since it is larger than the sum of its proper divisors (566975041).

3966158399 is a wasteful number, since it uses less digits than its factorization.

3966158399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47629.

The product of its digits is 9447840, while the sum is 59.

The square root of 3966158399 is about 62977.4435730762. The cubic root of 3966158399 is about 1582.9116846969.

The spelling of 3966158399 in words is "three billion, nine hundred sixty-six million, one hundred fifty-eight thousand, three hundred ninety-nine".