18466236213 has 8 divisors (see below), whose sum is σ = 26069980608. Its totient is φ = 11586657984.

The previous prime is 18466236197. The next prime is 18466236233. The reversal of 18466236213 is 31263266481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18466236213 - 2⁴ = 18466236197 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18466236233) by changing a digit.

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, 181041481 + ... + 181041582.

It is an arithmetic number, because the mean of its divisors is an integer number (3258747576).

Almost surely, 2^18466236213 is an apocalyptic number.

It is an amenable number.

18466236213 is a deficient number, since it is larger than the sum of its proper divisors (7603744395).

18466236213 is a wasteful number, since it uses less digits than its factorization.

18466236213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362083083.

The product of its digits is 248832, while the sum is 42.

The spelling of 18466236213 in words is "eighteen billion, four hundred sixty-six million, two hundred thirty-six thousand, two hundred thirteen".