18142786707 has 8 divisors (see below), whose sum is σ = 24344461776. Its totient is φ = 12018151392.

The previous prime is 18142786703. The next prime is 18142786729. The reversal of 18142786707 is 70768724181.

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

It is not a de Polignac number, because 18142786707 - 2² = 18142786703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18142786707.

It is not an unprimeable number, because it can be changed into a prime (18142786703) 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, 19259388 + ... + 19260329.

It is an arithmetic number, because the mean of its divisors is an integer number (3043057722).

Almost surely, 2^18142786707 is an apocalyptic number.

18142786707 is a deficient number, since it is larger than the sum of its proper divisors (6201675069).

18142786707 is a wasteful number, since it uses less digits than its factorization.

18142786707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38519877.

The product of its (nonzero) digits is 1053696, while the sum is 51.

The spelling of 18142786707 in words is "eighteen billion, one hundred forty-two million, seven hundred eighty-six thousand, seven hundred seven".