18660334820126 has 8 divisors (see below), whose sum is σ = 27997626319920. Its totient is φ = 9327792713488.

The previous prime is 18660334820117. The next prime is 18660334820137. The reversal of 18660334820126 is 62102843306681.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187338466 + ... + 1187354181.

It is an arithmetic number, because the mean of its divisors is an integer number (3499703289990).

Almost surely, 2^{18660334820126} is an apocalyptic number.

18660334820126 is a deficient number, since it is larger than the sum of its proper divisors (9337291499794).

18660334820126 is a wasteful number, since it uses less digits than its factorization.

18660334820126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374696578.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 18660334820126 in words is "eighteen trillion, six hundred sixty billion, three hundred thirty-four million, eight hundred twenty thousand, one hundred twenty-six".