17216423055 has 48 divisors (see below), whose sum is σ = 32161671360. Its totient is φ = 8469356544.

The previous prime is 17216423053. The next prime is 17216423057. The reversal of 17216423055 is 55032461271.

17216423055 is a `hidden beast` number, since 1 + 7 + 2 + 1 + 642 + 3 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (17216423053) and next prime (17216423057).

It is not a de Polignac number, because 17216423055 - 2¹ = 17216423053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17216423053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 813822 + ... + 834708.

It is an arithmetic number, because the mean of its divisors is an integer number (670034820).

Almost surely, 2^17216423055 is an apocalyptic number.

17216423055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17216423055 is a deficient number, since it is larger than the sum of its proper divisors (14945248305).

17216423055 is a wasteful number, since it uses less digits than its factorization.

17216423055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22320 (or 22317 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 17216423055 in words is "seventeen billion, two hundred sixteen million, four hundred twenty-three thousand, fifty-five".