16552880964 has 81 divisors (see below), whose sum is σ = 42969592029. Its totient is φ = 5372758080.

The previous prime is 16552880951. The next prime is 16552880987. The reversal of 16552880964 is 46908825561.

The square root of 16552880964 is 128658.

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

16552880964 is a `hidden beast` number, since 1 + 6 + 552 + 8 + 80 + 9 + 6 + 4 = 666.

16552880964 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., 797610564 + 15755270400 = 28242^2 + 125520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16552880964.

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 26 ways as a sum of consecutive naturals, for example, 31649607 + ... + 31650129.

Almost surely, 2^16552880964 is an apocalyptic number.

16552880964 is the 128658-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16552880964

16552880964 is an abundant number, since it is smaller than the sum of its proper divisors (26416711065).

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

16552880964 is an equidigital number, since it uses as much as digits as its factorization.

16552880964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 16552880964 in words is "sixteen billion, five hundred fifty-two million, eight hundred eighty thousand, nine hundred sixty-four".