16253520799 has 2 divisors, whose sum is σ = 16253520800. Its totient is φ = 16253520798.

The previous prime is 16253520793. The next prime is 16253520809. The reversal of 16253520799 is 99702535261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16253520799 - 2⁹ = 16253520287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16253520793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126760399 + 8126760400.

It is an arithmetic number, because the mean of its divisors is an integer number (8126760400).

Almost surely, 2^16253520799 is an apocalyptic number.

16253520799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16253520799 is an equidigital number, since it uses as much as digits as its factorization.

16253520799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 16253520799 in words is "sixteen billion, two hundred fifty-three million, five hundred twenty thousand, seven hundred ninety-nine".