16504733656 has 8 divisors (see below), whose sum is σ = 30946375620. Its totient is φ = 8252366824.

The previous prime is 16504733633. The next prime is 16504733659. The reversal of 16504733656 is 65633740561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16504733659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031545846 + ... + 1031545861.

Almost surely, 2^16504733656 is an apocalyptic number.

It is an amenable number.

16504733656 is a deficient number, since it is larger than the sum of its proper divisors (14441641964).

16504733656 is a wasteful number, since it uses less digits than its factorization.

16504733656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063091713 (or 2063091709 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 16504733656 in words is "sixteen billion, five hundred four million, seven hundred thirty-three thousand, six hundred fifty-six".