6397291330056 has 128 divisors (see below), whose sum is σ = 19387252800000. Its totient is φ = 1938420982080.

The previous prime is 6397291330037. The next prime is 6397291330201. The reversal of 6397291330056 is 6500331927936.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6397291329984 and 6397291330011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32259895 + ... + 32457593.

It is an arithmetic number, because the mean of its divisors is an integer number (151462912500).

Almost surely, 2^{6397291330056} is an apocalyptic number.

6397291330056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6397291330056 is an abundant number, since it is smaller than the sum of its proper divisors (12989961469944).

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

6397291330056 is a wasteful number, since it uses less digits than its factorization.

6397291330056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211344 (or 211334 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The spelling of 6397291330056 in words is "six trillion, three hundred ninety-seven billion, two hundred ninety-one million, three hundred thirty thousand, fifty-six".