3990360168 has 48 divisors (see below), whose sum is σ = 10811062080. Its totient is φ = 1329647904.

The previous prime is 3990360161. The next prime is 3990360191. The reversal of 3990360168 is 8610630993.

3990360168 is a `hidden beast` number, since 39 + 9 + 0 + 3 + 601 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3990360161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237171 + ... + 253437.

It is an arithmetic number, because the mean of its divisors is an integer number (225230460).

Almost surely, 2^3990360168 is an apocalyptic number.

It is an amenable number.

3990360168 is an abundant number, since it is smaller than the sum of its proper divisors (6820701912).

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

3990360168 is a wasteful number, since it uses less digits than its factorization.

3990360168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686 (or 19679 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 3990360168 is about 63169.2976690417. The cubic root of 3990360168 is about 1586.1248362549.

The spelling of 3990360168 in words is "three billion, nine hundred ninety million, three hundred sixty thousand, one hundred sixty-eight".