16826240656 has 15 divisors (see below), whose sum is σ = 32601846601. Its totient is φ = 8412860896.

The previous prime is 16826240623. The next prime is 16826240681. The reversal of 16826240656 is 65604262861.

The square root of 16826240656 is 129716.

It is a perfect power (a square), and thus also a powerful number.

16826240656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12037600656 + 4788640000 = 109716^2 + 69200^2 .

It is a super-2 number, since 2×16826240656² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 502650 + ... + 535078.

Almost surely, 2^16826240656 is an apocalyptic number.

16826240656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16826240656 is the 129716-th square number.

It is an amenable number.

16826240656 is a deficient number, since it is larger than the sum of its proper divisors (15775605945).

16826240656 is an frugal number, since it uses more digits than its factorization.

16826240656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64866 (or 32431 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 16826240656 in words is "sixteen billion, eight hundred twenty-six million, two hundred forty thousand, six hundred fifty-six".