16555224232045 has 16 divisors (see below), whose sum is σ = 21444848184960. Its totient is φ = 12231505996864.

The previous prime is 16555224232037. The next prime is 16555224232049. The reversal of 16555224232045 is 54023242255561.

It is a cyclic number.

It is not a de Polignac number, because 16555224232045 - 2³ = 16555224232037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16555224231986 and 16555224232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555224232049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482039279 + ... + 2482045948.

It is an arithmetic number, because the mean of its divisors is an integer number (1340303011560).

Almost surely, 2^{16555224232045} is an apocalyptic number.

It is an amenable number.

16555224232045 is a deficient number, since it is larger than the sum of its proper divisors (4889623952915).

16555224232045 is a wasteful number, since it uses less digits than its factorization.

16555224232045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964085284.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 16555224232045 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, two hundred thirty-two thousand, forty-five".