6398163144 has 48 divisors (see below), whose sum is σ = 17364035520. Its totient is φ = 2128330080.

The previous prime is 6398163103. The next prime is 6398163203. The reversal of 6398163144 is 4413618936.

6398163144 is a `hidden beast` number, since 6 + 3 + 9 + 8 + 1 + 631 + 4 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6398163144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56172 + ... + 126299.

It is an arithmetic number, because the mean of its divisors is an integer number (361750740).

Almost surely, 2^6398163144 is an apocalyptic number.

It is an amenable number.

6398163144 is an abundant number, since it is smaller than the sum of its proper divisors (10965872376).

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

6398163144 is a wasteful number, since it uses less digits than its factorization.

6398163144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182970 (or 182963 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 6398163144 is about 79988.5188261415. The cubic root of 6398163144 is about 1856.4578929013.

The spelling of 6398163144 in words is "six billion, three hundred ninety-eight million, one hundred sixty-three thousand, one hundred forty-four".