6433568136 has 192 divisors, whose sum is σ = 18565747200. Its totient is φ = 2009318400.

The previous prime is 6433568101. The next prime is 6433568143. The reversal of 6433568136 is 6318653346.

It is a junction number, because it is equal to n+sod(n) for n = 6433568091 and 6433568100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20956095 + ... + 20956401.

It is an arithmetic number, because the mean of its divisors is an integer number (96696600).

Almost surely, 2^6433568136 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 6433568136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9282873600).

6433568136 is an abundant number, since it is smaller than the sum of its proper divisors (12132179064).

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

6433568136 is a wasteful number, since it uses less digits than its factorization.

6433568136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 613 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 6433568136 is about 80209.5264666237. The cubic root of 6433568136 is about 1859.8759056994.

The spelling of 6433568136 in words is "six billion, four hundred thirty-three million, five hundred sixty-eight thousand, one hundred thirty-six".