18012986822 has 32 divisors (see below), whose sum is σ = 29176852320. Its totient is φ = 8312474880.

The previous prime is 18012986813. The next prime is 18012986861. The reversal of 18012986822 is 22868921081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134128 + ... + 1149900.

It is an arithmetic number, because the mean of its divisors is an integer number (911776635).

Almost surely, 2^18012986822 is an apocalyptic number.

18012986822 is a deficient number, since it is larger than the sum of its proper divisors (11163865498).

18012986822 is a wasteful number, since it uses less digits than its factorization.

18012986822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 18012986822 in words is "eighteen billion, twelve million, nine hundred eighty-six thousand, eight hundred twenty-two".