18248012806 has 16 divisors (see below), whose sum is σ = 28985445216. Its totient is φ = 8586320256.

The previous prime is 18248012801. The next prime is 18248012821. The reversal of 18248012806 is 60821084281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18248012801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334975 + ... + 385621.

It is an arithmetic number, because the mean of its divisors is an integer number (1811590326).

Almost surely, 2^18248012806 is an apocalyptic number.

18248012806 is a deficient number, since it is larger than the sum of its proper divisors (10737432410).

18248012806 is a wasteful number, since it uses less digits than its factorization.

18248012806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61263.

The product of its (nonzero) digits is 49152, while the sum is 40.

The spelling of 18248012806 in words is "eighteen billion, two hundred forty-eight million, twelve thousand, eight hundred six".