16555220345302 has 8 divisors (see below), whose sum is σ = 24833429326800. Its totient is φ = 8277410569704.

The previous prime is 16555220345243. The next prime is 16555220345327. The reversal of 16555220345302 is 20354302255561.

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

It is a super-2 number, since 2×16555220345302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 99697777 + ... + 99863692.

It is an arithmetic number, because the mean of its divisors is an integer number (3104178665850).

Almost surely, 2^{16555220345302} is an apocalyptic number.

16555220345302 is a deficient number, since it is larger than the sum of its proper divisors (8278208981498).

16555220345302 is a wasteful number, since it uses less digits than its factorization.

16555220345302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199602950.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 16555220345302 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty million, three hundred forty-five thousand, three hundred two".