16375505717 has 2 divisors, whose sum is σ = 16375505718. Its totient is φ = 16375505716.

The previous prime is 16375505651. The next prime is 16375505747. The reversal of 16375505717 is 71750557361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11069985796 + 5305519921 = 105214^2 + 72839^2 .

It is a cyclic number.

It is not a de Polignac number, because 16375505717 - 2¹² = 16375501621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16375505747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187752858 + 8187752859.

It is an arithmetic number, because the mean of its divisors is an integer number (8187752859).

Almost surely, 2^16375505717 is an apocalyptic number.

It is an amenable number.

16375505717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16375505717 is an equidigital number, since it uses as much as digits as its factorization.

16375505717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 771750, while the sum is 47.

The spelling of 16375505717 in words is "sixteen billion, three hundred seventy-five million, five hundred five thousand, seven hundred seventeen".