16501677056 has 44 divisors (see below), whose sum is σ = 33528140520. Its totient is φ = 8115548160.

The previous prime is 16501677013. The next prime is 16501677091. The reversal of 16501677056 is 65077610561.

It is a junction number, because it is equal to n+sod(n) for n = 16501676998 and 16501677016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69626 + ... + 194553.

Almost surely, 2^16501677056 is an apocalyptic number.

16501677056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16501677056 is an abundant number, since it is smaller than the sum of its proper divisors (17026463464).

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

16501677056 is an equidigital number, since it uses as much as digits as its factorization.

16501677056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264260 (or 264242 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 16501677056 in words is "sixteen billion, five hundred one million, six hundred seventy-seven thousand, fifty-six".