1808066455 has 24 divisors (see below), whose sum is σ = 2442631968. Its totient is φ = 1277111616.

The previous prime is 1808066431. The next prime is 1808066459. The reversal of 1808066455 is 5546608081.

It is not a de Polignac number, because 1808066455 - 2¹⁵ = 1808033687 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 (1808066459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8094 + ... + 60676.

It is an arithmetic number, because the mean of its divisors is an integer number (101776332).

Almost surely, 2^1808066455 is an apocalyptic number.

1808066455 is a deficient number, since it is larger than the sum of its proper divisors (634565513).

1808066455 is a wasteful number, since it uses less digits than its factorization.

1808066455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52647 (or 52624 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 1808066455 is about 42521.3646888244. The cubic root of 1808066455 is about 1218.2547955101.

The spelling of 1808066455 in words is "one billion, eight hundred eight million, sixty-six thousand, four hundred fifty-five".