18545900882 has 32 divisors (see below), whose sum is σ = 29971496880. Its totient is φ = 8574842880.

The previous prime is 18545900873. The next prime is 18545900917. The reversal of 18545900882 is 28800954581.

It can be written as a sum of positive squares in 8 ways, for example, as 10407876361 + 8138024521 = 102019^2 + 90211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18545900882.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2063294 + ... + 2072262.

Almost surely, 2^18545900882 is an apocalyptic number.

18545900882 is a deficient number, since it is larger than the sum of its proper divisors (11425595998).

18545900882 is a wasteful number, since it uses less digits than its factorization.

18545900882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 18545900882 in words is "eighteen billion, five hundred forty-five million, nine hundred thousand, eight hundred eighty-two".