16537036444664 has 16 divisors (see below), whose sum is σ = 31007961513000. Its totient is φ = 8268246707872.

The previous prime is 16537036444661. The next prime is 16537036444693. The reversal of 16537036444664 is 46644463073561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16537036444661) 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 in 3 ways as a sum of consecutive naturals, for example, 33680339 + ... + 34167810.

Almost surely, 2^{16537036444664} is an apocalyptic number.

It is an amenable number.

16537036444664 is a deficient number, since it is larger than the sum of its proper divisors (14470925068336).

16537036444664 is a wasteful number, since it uses less digits than its factorization.

16537036444664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67878622 (or 67878618 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 59.

The spelling of 16537036444664 in words is "sixteen trillion, five hundred thirty-seven billion, thirty-six million, four hundred forty-four thousand, six hundred sixty-four".