6463661112 has 128 divisors (see below), whose sum is σ = 18856857600. Its totient is φ = 2047503744.

The previous prime is 6463661081. The next prime is 6463661123. The reversal of 6463661112 is 2111663646.

It is a happy number.

6463661112 is a `hidden beast` number, since 6 + 4 + 6 + 36 + 611 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775833 + ... + 784119.

It is an arithmetic number, because the mean of its divisors is an integer number (147319200).

Almost surely, 2^6463661112 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 6463661112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9428428800).

6463661112 is an abundant number, since it is smaller than the sum of its proper divisors (12393196488).

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

6463661112 is a wasteful number, since it uses less digits than its factorization.

6463661112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482 (or 8472 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6463661112 is about 80396.8974028227. The cubic root of 6463661112 is about 1862.7712488266.

The spelling of 6463661112 in words is "six billion, four hundred sixty-three million, six hundred sixty-one thousand, one hundred twelve".