6384813156 has 36 divisors (see below), whose sum is σ = 16841103552. Its totient is φ = 2035737264.

The previous prime is 6384813151. The next prime is 6384813163. The reversal of 6384813156 is 6513184836.

6384813156 is a `hidden beast` number, since 638 + 4 + 8 + 1 + 3 + 1 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6384813151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3854736 + ... + 3856391.

It is an arithmetic number, because the mean of its divisors is an integer number (467808432).

Almost surely, 2^6384813156 is an apocalyptic number.

It is an amenable number.

6384813156 is an abundant number, since it is smaller than the sum of its proper divisors (10456290396).

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

6384813156 is a wasteful number, since it uses less digits than its factorization.

6384813156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711160 (or 7711155 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 6384813156 is about 79905.0258494420. The cubic root of 6384813156 is about 1855.1658060224.

The spelling of 6384813156 in words is "six billion, three hundred eighty-four million, eight hundred thirteen thousand, one hundred fifty-six".