16326906580 has 48 divisors (see below), whose sum is σ = 34515467280. Its totient is φ = 6487298048.

The previous prime is 16326906571. The next prime is 16326906599. The reversal of 16326906580 is 8560962361.

16326906580 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 8 ways, for example, as 1183635216 + 15143271364 = 34404^2 + 123058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16326906580.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1894842 + ... + 1903438.

It is an arithmetic number, because the mean of its divisors is an integer number (719072235).

Almost surely, 2^16326906580 is an apocalyptic number.

16326906580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16326906580 is an abundant number, since it is smaller than the sum of its proper divisors (18188560700).

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

16326906580 is a wasteful number, since it uses less digits than its factorization.

16326906580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 16326906580 in words is "sixteen billion, three hundred twenty-six million, nine hundred six thousand, five hundred eighty".