18066610810522 has 16 divisors (see below), whose sum is σ = 27136159741152. Its totient is φ = 9021227029360.

The previous prime is 18066610810489. The next prime is 18066610810537. The reversal of 18066610810522 is 22501801666081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12293397 + ... + 13684327.

It is an arithmetic number, because the mean of its divisors is an integer number (1696009983822).

Almost surely, 2^{18066610810522} is an apocalyptic number.

18066610810522 is a deficient number, since it is larger than the sum of its proper divisors (9069548930630).

18066610810522 is a wasteful number, since it uses less digits than its factorization.

18066610810522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399613.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 18066610810522 in words is "eighteen trillion, sixty-six billion, six hundred ten million, eight hundred ten thousand, five hundred twenty-two".