16516653616 has 10 divisors (see below), whose sum is σ = 32001016412. Its totient is φ = 8258326800.

The previous prime is 16516653607. The next prime is 16516653677. The reversal of 16516653616 is 61635661561.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516145410 + ... + 516145441.

Almost surely, 2^16516653616 is an apocalyptic number.

16516653616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16516653616 is a deficient number, since it is larger than the sum of its proper divisors (15484362796).

16516653616 is a wasteful number, since it uses less digits than its factorization.

16516653616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032290859 (or 1032290853 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The spelling of 16516653616 in words is "sixteen billion, five hundred sixteen million, six hundred fifty-three thousand, six hundred sixteen".