16652526664 has 16 divisors (see below), whose sum is σ = 33060163500. Its totient is φ = 7836483072.

The previous prime is 16652526643. The next prime is 16652526679. The reversal of 16652526664 is 46662525661.

It can be written as a sum of positive squares in 2 ways, for example, as 16651837764 + 688900 = 129042^2 + 830^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61222389 + ... + 61222660.

Almost surely, 2^16652526664 is an apocalyptic number.

It is an amenable number.

16652526664 is a deficient number, since it is larger than the sum of its proper divisors (16407636836).

16652526664 is a wasteful number, since it uses less digits than its factorization.

16652526664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122445072 (or 122445068 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 16652526664 in words is "sixteen billion, six hundred fifty-two million, five hundred twenty-six thousand, six hundred sixty-four".