16644653052162 has 16 divisors (see below), whose sum is σ = 33295548303360. Its totient is φ = 5547177317552.

The previous prime is 16644653052161. The next prime is 16644653052169. The reversal of 16644653052162 is 26125035644661.

It is not an unprimeable number, because it can be changed into a prime (16644653052161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260056962 + ... + 260120957.

It is an arithmetic number, because the mean of its divisors is an integer number (2080971768960).

Almost surely, 2^{16644653052162} is an apocalyptic number.

16644653052162 is an abundant number, since it is smaller than the sum of its proper divisors (16650895251198).

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

16644653052162 is a wasteful number, since it uses less digits than its factorization.

16644653052162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520183257.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 16644653052162 in words is "sixteen trillion, six hundred forty-four billion, six hundred fifty-three million, fifty-two thousand, one hundred sixty-two".