16654061568 has 52 divisors (see below), whose sum is σ = 44405442368. Its totient is φ = 5551349760.

The previous prime is 16654061549. The next prime is 16654061573. The reversal of 16654061568 is 86516045661.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665368 + ... + 689943.

Almost surely, 2^16654061568 is an apocalyptic number.

It is an amenable number.

16654061568 is an abundant number, since it is smaller than the sum of its proper divisors (27751380800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16654061568 is an equidigital number, since it uses as much as digits as its factorization.

16654061568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355338 (or 1355316 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 16654061568 in words is "sixteen billion, six hundred fifty-four million, sixty-one thousand, five hundred sixty-eight".