16553362565455 has 8 divisors (see below), whose sum is σ = 19865980496304. Its totient is φ = 13241393107200.

The previous prime is 16553362565423. The next prime is 16553362565473. The reversal of 16553362565455 is 55456526335561.

16553362565455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16553362565455 - 2⁵ = 16553362565423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16553362565393 and 16553362565402.

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, 162061986 + ... + 162164095.

It is an arithmetic number, because the mean of its divisors is an integer number (2483247562038).

Almost surely, 2^{16553362565455} is an apocalyptic number.

16553362565455 is a deficient number, since it is larger than the sum of its proper divisors (3312617930849).

16553362565455 is a wasteful number, since it uses less digits than its factorization.

16553362565455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324236297.

The product of its digits is 243000000, while the sum is 61.

The spelling of 16553362565455 in words is "sixteen trillion, five hundred fifty-three billion, three hundred sixty-two million, five hundred sixty-five thousand, four hundred fifty-five".