6566351455 has 16 divisors (see below), whose sum is σ = 8374878720. Its totient is φ = 4928279328.

The previous prime is 6566351447. The next prime is 6566351461. The reversal of 6566351455 is 5541536656.

It is a cyclic number.

It is not a de Polignac number, because 6566351455 - 2³ = 6566351447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325747 + ... + 345316.

It is an arithmetic number, because the mean of its divisors is an integer number (523429920).

Almost surely, 2^6566351455 is an apocalyptic number.

6566351455 is a deficient number, since it is larger than the sum of its proper divisors (1808527265).

6566351455 is a wasteful number, since it uses less digits than its factorization.

6566351455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671190.

The product of its digits is 1620000, while the sum is 46.

The square root of 6566351455 is about 81033.0269396374. The cubic root of 6566351455 is about 1872.5842861924.

The spelling of 6566351455 in words is "six billion, five hundred sixty-six million, three hundred fifty-one thousand, four hundred fifty-five".