16352752417 has 2 divisors, whose sum is σ = 16352752418. Its totient is φ = 16352752416.

The previous prime is 16352752349. The next prime is 16352752483. The reversal of 16352752417 is 71425725361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16077225616 + 275526801 = 126796^2 + 16599^2 .

It is an emirp because it is prime and its reverse (71425725361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16352752417 is a prime.

It is a super-2 number, since 2×16352752417² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16352755417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8176376208 + 8176376209.

It is an arithmetic number, because the mean of its divisors is an integer number (8176376209).

Almost surely, 2^16352752417 is an apocalyptic number.

It is an amenable number.

16352752417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16352752417 is an equidigital number, since it uses as much as digits as its factorization.

16352752417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The spelling of 16352752417 in words is "sixteen billion, three hundred fifty-two million, seven hundred fifty-two thousand, four hundred seventeen".