18353201783066 has 16 divisors (see below), whose sum is σ = 27543975049728. Its totient is φ = 9171877038000.

The previous prime is 18353201783053. The next prime is 18353201783093. The reversal of 18353201783066 is 66038710235381.

It is a junction number, because it is equal to n+sod(n) for n = 18353201782999 and 18353201783017.

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, 257224556 + ... + 257295896.

It is an arithmetic number, because the mean of its divisors is an integer number (1721498440608).

Almost surely, 2^{18353201783066} is an apocalyptic number.

18353201783066 is a deficient number, since it is larger than the sum of its proper divisors (9190773266662).

18353201783066 is a wasteful number, since it uses less digits than its factorization.

18353201783066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135757.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 18353201783066 in words is "eighteen trillion, three hundred fifty-three billion, two hundred one million, seven hundred eighty-three thousand, sixty-six".