16663354120264 has 24 divisors (see below), whose sum is σ = 33189768916290. Its totient is φ = 7841578408448.

The previous prime is 16663354120219. The next prime is 16663354120367. The reversal of 16663354120264 is 46202145336661.

It can be written as a sum of positive squares in 3 ways, for example, as 14056065736164 + 2607288384100 = 3749142^2 + 1614710^2 .

It is a super-3 number, since 3×16663354120264³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3603664237 + ... + 3603668860.

Almost surely, 2^{16663354120264} is an apocalyptic number.

It is an amenable number.

16663354120264 is a deficient number, since it is larger than the sum of its proper divisors (16526414796026).

16663354120264 is a wasteful number, since it uses less digits than its factorization.

16663354120264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207333137 (or 7207333116 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 16663354120264 in words is "sixteen trillion, six hundred sixty-three billion, three hundred fifty-four million, one hundred twenty thousand, two hundred sixty-four".