16555225012766 has 8 divisors (see below), whose sum is σ = 27090368202744. Its totient is φ = 7525102278520.

The previous prime is 16555225012721. The next prime is 16555225012789. The reversal of 16555225012766 is 66721052255561.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376255113905 + ... + 376255113948.

It is an arithmetic number, because the mean of its divisors is an integer number (3386296025343).

Almost surely, 2^{16555225012766} is an apocalyptic number.

16555225012766 is a deficient number, since it is larger than the sum of its proper divisors (10535143189978).

16555225012766 is a wasteful number, since it uses less digits than its factorization.

16555225012766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752510227866.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 16555225012766 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-five million, twelve thousand, seven hundred sixty-six".