6481066896 has 120 divisors (see below), whose sum is σ = 19165261440. Its totient is φ = 2038867200.

The previous prime is 6481066871. The next prime is 6481066897. The reversal of 6481066896 is 6986601846.

It is a super-2 number, since 2×6481066896² = 84008456220854149632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6481066897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737086 + ... + 745826.

It is an arithmetic number, because the mean of its divisors is an integer number (159710512).

Almost surely, 2^6481066896 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 6481066896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9582630720).

6481066896 is an abundant number, since it is smaller than the sum of its proper divisors (12684194544).

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

6481066896 is a wasteful number, since it uses less digits than its factorization.

6481066896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045 (or 9036 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6481066896 is about 80505.0737283061. The cubic root of 6481066896 is about 1864.4418156714.

The spelling of 6481066896 in words is "six billion, four hundred eighty-one million, sixty-six thousand, eight hundred ninety-six".