19330866618368 has 126 divisors (see below), whose sum is σ = 39972187077183. Its totient is φ = 9347675996160.

The previous prime is 19330866618353. The next prime is 19330866618389. The reversal of 19330866618368 is 86381666803391.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 9665433309184 + 9665433309184 = 3108928^2 + 3108928^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3108928.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19330866618298 and 19330866618307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12336225521 + ... + 12336227087.

Almost surely, 2^{19330866618368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19330866618368

19330866618368 is an abundant number, since it is smaller than the sum of its proper divisors (20641320458815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19330866618368 is an frugal number, since it uses more digits than its factorization.

19330866618368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 68.

The spelling of 19330866618368 in words is "nineteen trillion, three hundred thirty billion, eight hundred sixty-six million, six hundred eighteen thousand, three hundred sixty-eight".