16535122207 has 2 divisors, whose sum is σ = 16535122208. Its totient is φ = 16535122206.

The previous prime is 16535122187. The next prime is 16535122237. The reversal of 16535122207 is 70222153561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16535122207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16535122237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267561103 + 8267561104.

It is an arithmetic number, because the mean of its divisors is an integer number (8267561104).

Almost surely, 2^16535122207 is an apocalyptic number.

16535122207 is a deficient number, since it is larger than the sum of its proper divisors (1).

16535122207 is an equidigital number, since it uses as much as digits as its factorization.

16535122207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 16535122207 its reverse (70222153561), we get a palindrome (86757275768).

The spelling of 16535122207 in words is "sixteen billion, five hundred thirty-five million, one hundred twenty-two thousand, two hundred seven".