16576776560 has 40 divisors (see below), whose sum is σ = 38550374880. Its totient is φ = 6629098752.

The previous prime is 16576776539. The next prime is 16576776577. The reversal of 16576776560 is 6567767561.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16576776560² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16576776496 and 16576776505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338594 + ... + 384446.

It is an arithmetic number, because the mean of its divisors is an integer number (963759372).

Almost surely, 2^16576776560 is an apocalyptic number.

16576776560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16576776560 is an abundant number, since it is smaller than the sum of its proper divisors (21973598320).

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

16576776560 is a wasteful number, since it uses less digits than its factorization.

16576776560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385 (or 50379 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 56.

The spelling of 16576776560 in words is "sixteen billion, five hundred seventy-six million, seven hundred seventy-six thousand, five hundred sixty".