18574747582 has 16 divisors (see below), whose sum is σ = 28517512320. Its totient is φ = 9069022872.

The previous prime is 18574747579. The next prime is 18574747591. The reversal of 18574747582 is 28574747581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329863 + ... + 382045.

It is an arithmetic number, because the mean of its divisors is an integer number (1782344520).

Almost surely, 2^18574747582 is an apocalyptic number.

18574747582 is a deficient number, since it is larger than the sum of its proper divisors (9942764738).

18574747582 is a wasteful number, since it uses less digits than its factorization.

18574747582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56367.

The product of its digits is 17561600, while the sum is 58.

Subtracting 18574747582 from its reverse (28574747581), we obtain a palindrome (9999999999).

The spelling of 18574747582 in words is "eighteen billion, five hundred seventy-four million, seven hundred forty-seven thousand, five hundred eighty-two".