16701968564 has 6 divisors (see below), whose sum is σ = 29228444994. Its totient is φ = 8350984280.

The previous prime is 16701968561. The next prime is 16701968603. The reversal of 16701968564 is 46586910761.

16701968564 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., 9769740964 + 6932227600 = 98842^2 + 83260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16701968561) by changing a digit.

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 as a sum of consecutive naturals, namely, 2087746067 + ... + 2087746074.

It is an arithmetic number, because the mean of its divisors is an integer number (4871407499).

Almost surely, 2^16701968564 is an apocalyptic number.

It is an amenable number.

16701968564 is a deficient number, since it is larger than the sum of its proper divisors (12526476430).

16701968564 is a wasteful number, since it uses less digits than its factorization.

16701968564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175492145 (or 4175492143 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 16701968564 in words is "sixteen billion, seven hundred one million, nine hundred sixty-eight thousand, five hundred sixty-four".