16636775253 has 8 divisors (see below), whose sum is σ = 25351276608. Its totient is φ = 9506728704.

The previous prime is 16636775237. The next prime is 16636775257. The reversal of 16636775253 is 35257763661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16636775253 - 2⁴ = 16636775237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16636775196 and 16636775205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16636775257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396113676 + ... + 396113717.

It is an arithmetic number, because the mean of its divisors is an integer number (3168909576).

Almost surely, 2^16636775253 is an apocalyptic number.

It is an amenable number.

16636775253 is a deficient number, since it is larger than the sum of its proper divisors (8714501355).

16636775253 is an equidigital number, since it uses as much as digits as its factorization.

16636775253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792227403.

The product of its digits is 4762800, while the sum is 51.

The spelling of 16636775253 in words is "sixteen billion, six hundred thirty-six million, seven hundred seventy-five thousand, two hundred fifty-three".