16555344654332 has 24 divisors (see below), whose sum is σ = 33464814329520. Its totient is φ = 7082500386560.

The previous prime is 16555344654269. The next prime is 16555344654367. The reversal of 16555344654332 is 23345644355561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11066406107 + ... + 11066407602.

It is an arithmetic number, because the mean of its divisors is an integer number (1394367263730).

Almost surely, 2^{16555344654332} is an apocalyptic number.

It is an amenable number.

16555344654332 is an abundant number, since it is smaller than the sum of its proper divisors (16909469675188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16555344654332 is a wasteful number, since it uses less digits than its factorization.

16555344654332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132813741 (or 22132813739 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 56.

The spelling of 16555344654332 in words is "sixteen trillion, five hundred fifty-five billion, three hundred forty-four million, six hundred fifty-four thousand, three hundred thirty-two".