17316010381991 has 4 divisors (see below), whose sum is σ = 17316039906072. Its totient is φ = 17315980857912.

The previous prime is 17316010381919. The next prime is 17316010381997. The reversal of 17316010381991 is 19918301061371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17316010381991 - 2¹⁰ = 17316010380967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17316010381997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13864076 + ... + 15061361.

It is an arithmetic number, because the mean of its divisors is an integer number (4329009976518).

Almost surely, 2^{17316010381991} is an apocalyptic number.

17316010381991 is a deficient number, since it is larger than the sum of its proper divisors (29524081).

17316010381991 is an equidigital number, since it uses as much as digits as its factorization.

17316010381991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29524080.

The product of its (nonzero) digits is 244944, while the sum is 50.

The spelling of 17316010381991 in words is "seventeen trillion, three hundred sixteen billion, ten million, three hundred eighty-one thousand, nine hundred ninety-one".