18012286316 has 6 divisors (see below), whose sum is σ = 31521501060. Its totient is φ = 9006143156.

The previous prime is 18012286307. The next prime is 18012286321. The reversal of 18012286316 is 61368221081.

It is a self number, because there is not a number n which added to its sum of digits gives 18012286316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251535786 + ... + 2251535793.

It is an arithmetic number, because the mean of its divisors is an integer number (5253583510).

Almost surely, 2^18012286316 is an apocalyptic number.

It is an amenable number.

18012286316 is a deficient number, since it is larger than the sum of its proper divisors (13509214744).

18012286316 is a wasteful number, since it uses less digits than its factorization.

18012286316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503071583 (or 4503071581 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 18012286316 in words is "eighteen billion, twelve million, two hundred eighty-six thousand, three hundred sixteen".