16323652817 has 2 divisors, whose sum is σ = 16323652818. Its totient is φ = 16323652816.

The previous prime is 16323652801. The next prime is 16323652879. The reversal of 16323652817 is 71825632361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8472097936 + 7851554881 = 92044^2 + 88609^2 .

It is a cyclic number.

It is not a de Polignac number, because 16323652817 - 2⁴ = 16323652801 is a prime.

It is not a weakly prime, because it can be changed into another prime (16323652517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8161826408 + 8161826409.

It is an arithmetic number, because the mean of its divisors is an integer number (8161826409).

Almost surely, 2^16323652817 is an apocalyptic number.

It is an amenable number.

16323652817 is a deficient number, since it is larger than the sum of its proper divisors (1).

16323652817 is an equidigital number, since it uses as much as digits as its factorization.

16323652817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The spelling of 16323652817 in words is "sixteen billion, three hundred twenty-three million, six hundred fifty-two thousand, eight hundred seventeen".