6806455591 has 8 divisors (see below), whose sum is σ = 7358554224. Its totient is φ = 6258432000.

The previous prime is 6806455571. The next prime is 6806455609. The reversal of 6806455591 is 1955546086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6806455591 - 2⁵ = 6806455559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806455501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015285 + ... + 1021966.

It is an arithmetic number, because the mean of its divisors is an integer number (919819278).

Almost surely, 2^6806455591 is an apocalyptic number.

6806455591 is a deficient number, since it is larger than the sum of its proper divisors (552098633).

6806455591 is a wasteful number, since it uses less digits than its factorization.

6806455591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037521.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The square root of 6806455591 is about 82501.2459966515. The cubic root of 6806455591 is about 1895.1358118400.

The spelling of 6806455591 in words is "six billion, eight hundred six million, four hundred fifty-five thousand, five hundred ninety-one".