6320865081 has 32 divisors (see below), whose sum is σ = 9162211968. Its totient is φ = 3860418560.

The previous prime is 6320865053. The next prime is 6320865101. The reversal of 6320865081 is 1805680236.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6320865081 - 2⁵ = 6320865049 is a prime.

It is a super-2 number, since 2×6320865081² = 79906670744410273122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6320865181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973261 + ... + 979733.

It is an arithmetic number, because the mean of its divisors is an integer number (286319124).

Almost surely, 2^6320865081 is an apocalyptic number.

It is an amenable number.

6320865081 is a deficient number, since it is larger than the sum of its proper divisors (2841346887).

6320865081 is a wasteful number, since it uses less digits than its factorization.

6320865081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6320865081 is about 79503.8683398487. The cubic root of 6320865081 is about 1848.9514468107.

The spelling of 6320865081 in words is "six billion, three hundred twenty million, eight hundred sixty-five thousand, eighty-one".