18136941206 has 8 divisors (see below), whose sum is σ = 27206075664. Its totient is φ = 9068249320.

The previous prime is 18136941191. The next prime is 18136941209. The reversal of 18136941206 is 60214963181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18136941209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25136 + ... + 192108.

It is an arithmetic number, because the mean of its divisors is an integer number (3400759458).

Almost surely, 2^18136941206 is an apocalyptic number.

18136941206 is a deficient number, since it is larger than the sum of its proper divisors (9069134458).

18136941206 is a wasteful number, since it uses less digits than its factorization.

18136941206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221286.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 18136941206 in words is "eighteen billion, one hundred thirty-six million, nine hundred forty-one thousand, two hundred six".