16504502753 has 2 divisors, whose sum is σ = 16504502754. Its totient is φ = 16504502752.

The previous prime is 16504502731. The next prime is 16504502797. The reversal of 16504502753 is 35720540561.

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., 11127507169 + 5376995584 = 105487^2 + 73328^2 .

It is a cyclic number.

It is not a de Polignac number, because 16504502753 - 2²² = 16500308449 is a prime.

It is a super-2 number, since 2×16504502753² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16504502453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252251376 + 8252251377.

It is an arithmetic number, because the mean of its divisors is an integer number (8252251377).

Almost surely, 2^16504502753 is an apocalyptic number.

It is an amenable number.

16504502753 is a deficient number, since it is larger than the sum of its proper divisors (1).

16504502753 is an equidigital number, since it uses as much as digits as its factorization.

16504502753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 16504502753 in words is "sixteen billion, five hundred four million, five hundred two thousand, seven hundred fifty-three".