16536252797 has 2 divisors, whose sum is σ = 16536252798. Its totient is φ = 16536252796.

The previous prime is 16536252773. The next prime is 16536252823. The reversal of 16536252797 is 79725263561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10868271001 + 5667981796 = 104251^2 + 75286^2 .

It is a cyclic number.

It is not a de Polignac number, because 16536252797 - 2⁸ = 16536252541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16536252727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268126398 + 8268126399.

It is an arithmetic number, because the mean of its divisors is an integer number (8268126399).

Almost surely, 2^16536252797 is an apocalyptic number.

It is an amenable number.

16536252797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16536252797 is an equidigital number, since it uses as much as digits as its factorization.

16536252797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 53.

The spelling of 16536252797 in words is "sixteen billion, five hundred thirty-six million, two hundred fifty-two thousand, seven hundred ninety-seven".