18142541806 has 8 divisors (see below), whose sum is σ = 27223851744. Its totient is φ = 9067924560.

The previous prime is 18142541801. The next prime is 18142541819. The reversal of 18142541806 is 60814524181.

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 (18142541801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666390 + ... + 1677241.

It is an arithmetic number, because the mean of its divisors is an integer number (3402981468).

Almost surely, 2^18142541806 is an apocalyptic number.

18142541806 is a deficient number, since it is larger than the sum of its proper divisors (9081309938).

18142541806 is a wasteful number, since it uses less digits than its factorization.

18142541806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346346.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 18142541806 in words is "eighteen billion, one hundred forty-two million, five hundred forty-one thousand, eight hundred six".