6330021081 has 16 divisors (see below), whose sum is σ = 8745663360. Its totient is φ = 4067683200.

The previous prime is 6330021073. The next prime is 6330021091. The reversal of 6330021081 is 1801200336.

It is not a de Polignac number, because 6330021081 - 2³ = 6330021073 is a prime.

It is a super-2 number, since 2×6330021081² = 80138333771808817122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6330021011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8245 + ... + 112818.

It is an arithmetic number, because the mean of its divisors is an integer number (546603960).

Almost surely, 2^6330021081 is an apocalyptic number.

It is an amenable number.

6330021081 is a deficient number, since it is larger than the sum of its proper divisors (2415642279).

6330021081 is a wasteful number, since it uses less digits than its factorization.

6330021081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121696.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6330021081 is about 79561.4296063111. The cubic root of 6330021081 is about 1849.8437736106.

The spelling of 6330021081 in words is "six billion, three hundred thirty million, twenty-one thousand, eighty-one".