16664513522 has 16 divisors (see below), whose sum is σ = 25116721920. Its totient is φ = 8292316032.

The previous prime is 16664513497. The next prime is 16664513527. The reversal of 16664513522 is 22531546661.

It is a happy number.

16664513522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16664513522.

It is not an unprimeable number, because it can be changed into a prime (16664513527) 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 in 7 ways as a sum of consecutive naturals, for example, 842498 + ... + 862050.

It is an arithmetic number, because the mean of its divisors is an integer number (1569795120).

Almost surely, 2^16664513522 is an apocalyptic number.

16664513522 is a deficient number, since it is larger than the sum of its proper divisors (8452208398).

16664513522 is a wasteful number, since it uses less digits than its factorization.

16664513522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21577.

The product of its digits is 259200, while the sum is 41.

The spelling of 16664513522 in words is "sixteen billion, six hundred sixty-four million, five hundred thirteen thousand, five hundred twenty-two".