163213066657 has 16 divisors (see below), whose sum is σ = 173545329600. Its totient is φ = 153055742400.

The previous prime is 163213066651. The next prime is 163213066669. The reversal of 163213066657 is 756660312361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163213066657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163213066651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11562598 + ... + 11576704.

It is an arithmetic number, because the mean of its divisors is an integer number (10846583100).

Almost surely, 2^163213066657 is an apocalyptic number.

It is an amenable number.

163213066657 is a deficient number, since it is larger than the sum of its proper divisors (10332262943).

163213066657 is a wasteful number, since it uses less digits than its factorization.

163213066657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20256.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 163213066657 in words is "one hundred sixty-three billion, two hundred thirteen million, sixty-six thousand, six hundred fifty-seven".