16652436065 has 12 divisors (see below), whose sum is σ = 20458461204. Its totient is φ = 13012128864.

The previous prime is 16652435977. The next prime is 16652436079. The reversal of 16652436065 is 56063425661.

It can be written as a sum of positive squares in 2 ways, for example, as 2269950736 + 14382485329 = 47644^2 + 119927^2 .

It is not a de Polignac number, because 16652436065 - 2²² = 16648241761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891374 + ... + 909863.

It is an arithmetic number, because the mean of its divisors is an integer number (1704871767).

Almost surely, 2^16652436065 is an apocalyptic number.

It is an amenable number.

16652436065 is a deficient number, since it is larger than the sum of its proper divisors (3806025139).

16652436065 is an equidigital number, since it uses as much as digits as its factorization.

16652436065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801328 (or 1801285 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 16652436065 in words is "sixteen billion, six hundred fifty-two million, four hundred thirty-six thousand, sixty-five".