16522340503 has 2 divisors, whose sum is σ = 16522340504. Its totient is φ = 16522340502.

The previous prime is 16522340489. The next prime is 16522340509. The reversal of 16522340503 is 30504322561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16522340503 - 2⁹ = 16522339991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16522340509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261170251 + 8261170252.

It is an arithmetic number, because the mean of its divisors is an integer number (8261170252).

Almost surely, 2^16522340503 is an apocalyptic number.

16522340503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16522340503 is an equidigital number, since it uses as much as digits as its factorization.

16522340503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 16522340503 in words is "sixteen billion, five hundred twenty-two million, three hundred forty thousand, five hundred three".