16551105465303 has 12 divisors (see below), whose sum is σ = 24678350801728. Its totient is φ = 10678132558080.

The previous prime is 16551105465281. The next prime is 16551105465331. The reversal of 16551105465303 is 30356450115561.

16551105465303 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 1 + 105 + 4 + 6 + 530 + 3 = 666.

It is not a de Polignac number, because 16551105465303 - 2⁹ = 16551105464791 is a prime.

It is a super-2 number, since 2×16551105465303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16551105465353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29661479050 + ... + 29661479607.

Almost surely, 2^{16551105465303} is an apocalyptic number.

16551105465303 is a deficient number, since it is larger than the sum of its proper divisors (8127245336425).

16551105465303 is a wasteful number, since it uses less digits than its factorization.

16551105465303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59322958694 (or 59322958691 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 16551105465303 in words is "sixteen trillion, five hundred fifty-one billion, one hundred five million, four hundred sixty-five thousand, three hundred three".