1808863330 has 16 divisors (see below), whose sum is σ = 3360985344. Its totient is φ = 700205040.

The previous prime is 1808863319. The next prime is 1808863409. The reversal of 1808863330 is 333688081.

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, 2917212 + ... + 2917831.

It is an arithmetic number, because the mean of its divisors is an integer number (210061584).

Almost surely, 2^1808863330 is an apocalyptic number.

1808863330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1808863330 is a deficient number, since it is larger than the sum of its proper divisors (1552122014).

1808863330 is a wasteful number, since it uses less digits than its factorization.

1808863330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835081.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1808863330 is about 42530.7339461712. The cubic root of 1808863330 is about 1218.4337443538.

It can be divided in two parts, 18088 and 63330, that added together give a palindrome (81418).

The spelling of 1808863330 in words is "one billion, eight hundred eight million, eight hundred sixty-three thousand, three hundred thirty".