8054421665 has 8 divisors (see below), whose sum is σ = 9668887488. Its totient is φ = 6441149680.

The previous prime is 8054421647. The next prime is 8054421671. The reversal of 8054421665 is 5661244508.

8054421665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-8054421665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283547 + ... + 310656.

It is an arithmetic number, because the mean of its divisors is an integer number (1208610936).

Almost surely, 2^8054421665 is an apocalyptic number.

It is an amenable number.

8054421665 is a deficient number, since it is larger than the sum of its proper divisors (1614465823).

8054421665 is a wasteful number, since it uses less digits than its factorization.

8054421665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596919.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 8054421665 is about 89746.4298175699. The cubic root of 8054421665 is about 2004.5248936980.

The spelling of 8054421665 in words is "eight billion, fifty-four million, four hundred twenty-one thousand, six hundred sixty-five".