18867106353 has 8 divisors (see below), whose sum is σ = 25181077600. Its totient is φ = 12565603008.

The previous prime is 18867106339. The next prime is 18867106373. The reversal of 18867106353 is 35360176881.

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

It is not a de Polignac number, because 18867106353 - 2¹³ = 18867098161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18867106373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113443 + ... + 3119496.

It is an arithmetic number, because the mean of its divisors is an integer number (3147634700).

Almost surely, 2^18867106353 is an apocalyptic number.

It is an amenable number.

18867106353 is a deficient number, since it is larger than the sum of its proper divisors (6313971247).

18867106353 is a wasteful number, since it uses less digits than its factorization.

18867106353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233951.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 18867106353 in words is "eighteen billion, eight hundred sixty-seven million, one hundred six thousand, three hundred fifty-three".