16253823757 has 2 divisors, whose sum is σ = 16253823758. Its totient is φ = 16253823756.

The previous prime is 16253823727. The next prime is 16253823779. The reversal of 16253823757 is 75732835261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13349260521 + 2904563236 = 115539^2 + 53894^2 .

It is a cyclic number.

It is not a de Polignac number, because 16253823757 - 2⁷ = 16253823629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16253823757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16253823727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126911878 + 8126911879.

It is an arithmetic number, because the mean of its divisors is an integer number (8126911879).

Almost surely, 2^16253823757 is an apocalyptic number.

It is an amenable number.

16253823757 is a deficient number, since it is larger than the sum of its proper divisors (1).

16253823757 is an equidigital number, since it uses as much as digits as its factorization.

16253823757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 49.

The spelling of 16253823757 in words is "sixteen billion, two hundred fifty-three million, eight hundred twenty-three thousand, seven hundred fifty-seven".