122663664673 has 4 divisors (see below), whose sum is σ = 133814906928. Its totient is φ = 111512422420.

The previous prime is 122663664671. The next prime is 122663664691. The reversal of 122663664673 is 376466366221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376466366221 = 11 ⋅34224215111.

It is a cyclic number.

It is not a de Polignac number, because 122663664673 - 2¹ = 122663664671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122663664673.

It is not an unprimeable number, because it can be changed into a prime (122663664671) 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 3 ways as a sum of consecutive naturals, for example, 5575621111 + ... + 5575621132.

It is an arithmetic number, because the mean of its divisors is an integer number (33453726732).

Almost surely, 2^122663664673 is an apocalyptic number.

It is an amenable number.

122663664673 is a deficient number, since it is larger than the sum of its proper divisors (11151242255).

122663664673 is a wasteful number, since it uses less digits than its factorization.

122663664673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11151242254.

The product of its digits is 7838208, while the sum is 52.

The spelling of 122663664673 in words is "one hundred twenty-two billion, six hundred sixty-three million, six hundred sixty-four thousand, six hundred seventy-three".