16731066536 has 8 divisors (see below), whose sum is σ = 31370749770. Its totient is φ = 8365533264.

The previous prime is 16731066529. The next prime is 16731066551. The reversal of 16731066536 is 63566013761.

It can be written as a sum of positive squares in only one way, i.e., 14350602436 + 2380464100 = 119794^2 + 48790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045691651 + ... + 1045691666.

Almost surely, 2^16731066536 is an apocalyptic number.

It is an amenable number.

16731066536 is a deficient number, since it is larger than the sum of its proper divisors (14639683234).

16731066536 is a wasteful number, since it uses less digits than its factorization.

16731066536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091383323 (or 2091383319 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 16731066536 in words is "sixteen billion, seven hundred thirty-one million, sixty-six thousand, five hundred thirty-six".