3911943168 has 704 divisors, whose sum is σ = 14856307200. Its totient is φ = 990904320.

The previous prime is 3911943163. The next prime is 3911943223. The reversal of 3911943168 is 8613491193.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3911943163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95413228 + ... + 95413268.

Almost surely, 2^3911943168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3911943168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7428153600).

3911943168 is an abundant number, since it is smaller than the sum of its proper divisors (10944364032).

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

3911943168 is a wasteful number, since it uses less digits than its factorization.

3911943168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 99 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 3911943168 is about 62545.5287610553. The cubic root of 3911943168 is about 1575.6660547990. Note that the first 3 decimals are identical.

The spelling of 3911943168 in words is "three billion, nine hundred eleven million, nine hundred forty-three thousand, one hundred sixty-eight".