4161249968 has 20 divisors (see below), whose sum is σ = 8075593248. Its totient is φ = 2077225920.

The previous prime is 4161249943. The next prime is 4161249971. The reversal of 4161249968 is 8699421614.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202328 + ... + 221943.

Almost surely, 2^4161249968 is an apocalyptic number.

It is an amenable number.

4161249968 is a deficient number, since it is larger than the sum of its proper divisors (3914343280).

4161249968 is a wasteful number, since it uses less digits than its factorization.

4161249968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424892 (or 424886 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 4161249968 is about 64507.7512241746. The cubic root of 4161249968 is about 1608.4513699500.

The spelling of 4161249968 in words is "four billion, one hundred sixty-one million, two hundred forty-nine thousand, nine hundred sixty-eight".