16555224206072 has 16 divisors (see below), whose sum is σ = 31879992559560. Its totient is φ = 8053892856864.

The previous prime is 16555224206069. The next prime is 16555224206093. The reversal of 16555224206072 is 27060242255561.

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, 27964905458 + ... + 27964906049.

Almost surely, 2^{16555224206072} is an apocalyptic number.

It is an amenable number.

16555224206072 is a deficient number, since it is larger than the sum of its proper divisors (15324768353488).

16555224206072 is a wasteful number, since it uses less digits than its factorization.

16555224206072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55929811550 (or 55929811546 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 16555224206072 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, two hundred six thousand, seventy-two".