18842368801366 has 16 divisors (see below), whose sum is σ = 31355559794880. Its totient is φ = 8419548462280.

The previous prime is 18842368801357. The next prime is 18842368801433. The reversal of 18842368801366 is 66310886324881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18842368801298 and 18842368801307.

It is a congruent number.

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, 7258230136 + ... + 7258232731.

It is an arithmetic number, because the mean of its divisors is an integer number (1959722487180).

Almost surely, 2^{18842368801366} is an apocalyptic number.

18842368801366 is a deficient number, since it is larger than the sum of its proper divisors (12513190993514).

18842368801366 is a wasteful number, since it uses less digits than its factorization.

18842368801366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516462939.

The product of its (nonzero) digits is 63700992, while the sum is 64.

The spelling of 18842368801366 in words is "eighteen trillion, eight hundred forty-two billion, three hundred sixty-eight million, eight hundred one thousand, three hundred sixty-six".