6345370566 has 12 divisors (see below), whose sum is σ = 13748302932. Its totient is φ = 2115123516.

The previous prime is 6345370553. The next prime is 6345370573. The reversal of 6345370566 is 6650735436.

6345370566 is a `hidden beast` number, since 6 + 34 + 53 + 7 + 0 + 566 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 176260276 + ... + 176260311.

It is an arithmetic number, because the mean of its divisors is an integer number (1145691911).

Almost surely, 2^6345370566 is an apocalyptic number.

6345370566 is an abundant number, since it is smaller than the sum of its proper divisors (7402932366).

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

6345370566 is a wasteful number, since it uses less digits than its factorization.

6345370566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352520595 (or 352520592 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The square root of 6345370566 is about 79657.8343039779. The cubic root of 6345370566 is about 1851.3377775559.

The spelling of 6345370566 in words is "six billion, three hundred forty-five million, three hundred seventy thousand, five hundred sixty-six".