16502484961 has 2 divisors, whose sum is σ = 16502484962. Its totient is φ = 16502484960.

The previous prime is 16502484841. The next prime is 16502484983. The reversal of 16502484961 is 16948420561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9475854336 + 7026630625 = 97344^2 + 83825^2 .

It is a cyclic number.

It is not a de Polignac number, because 16502484961 - 2⁷ = 16502484833 is a prime.

It is not a weakly prime, because it can be changed into another prime (16502494961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8251242480 + 8251242481.

It is an arithmetic number, because the mean of its divisors is an integer number (8251242481).

Almost surely, 2^16502484961 is an apocalyptic number.

It is an amenable number.

16502484961 is a deficient number, since it is larger than the sum of its proper divisors (1).

16502484961 is an equidigital number, since it uses as much as digits as its factorization.

16502484961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 16502484961 in words is "sixteen billion, five hundred two million, four hundred eighty-four thousand, nine hundred sixty-one".