16716171655 has 16 divisors (see below), whose sum is σ = 21247509600. Its totient is φ = 12581471232.

The previous prime is 16716171643. The next prime is 16716171701. The reversal of 16716171655 is 55617161761.

16716171655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16716171655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193771 + ... + 266419.

It is an arithmetic number, because the mean of its divisors is an integer number (1327969350).

Almost surely, 2^16716171655 is an apocalyptic number.

16716171655 is a deficient number, since it is larger than the sum of its proper divisors (4531337945).

16716171655 is a wasteful number, since it uses less digits than its factorization.

16716171655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75378.

The product of its digits is 264600, while the sum is 46.

The spelling of 16716171655 in words is "sixteen billion, seven hundred sixteen million, one hundred seventy-one thousand, six hundred fifty-five".