16555266736171 has 8 divisors (see below), whose sum is σ = 16611961078944. Its totient is φ = 16498573698240.

The previous prime is 16555266736139. The next prime is 16555266736189. The reversal of 16555266736171 is 17163766255561.

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

It is a cyclic number.

It is not a de Polignac number, because 16555266736171 - 2⁵ = 16555266736139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16555263736171) 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 7 ways as a sum of consecutive naturals, for example, 29866575 + ... + 30415831.

It is an arithmetic number, because the mean of its divisors is an integer number (2076495134868).

Almost surely, 2^{16555266736171} is an apocalyptic number.

16555266736171 is a deficient number, since it is larger than the sum of its proper divisors (56694342773).

16555266736171 is a wasteful number, since it uses less digits than its factorization.

16555266736171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652421.

The product of its digits is 47628000, while the sum is 61.

The spelling of 16555266736171 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, seven hundred thirty-six thousand, one hundred seventy-one".