22664515660159 has 4 divisors (see below), whose sum is σ = 22736012555304. Its totient is φ = 22593018765016.

The previous prime is 22664515660153. The next prime is 22664515660181. The reversal of 22664515660159 is 95106651546622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22664515660159 - 2⁹ = 22664515659647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664515660153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35748447097 + ... + 35748447730.

It is an arithmetic number, because the mean of its divisors is an integer number (5684003138826).

Almost surely, 2^{22664515660159} is an apocalyptic number.

22664515660159 is a deficient number, since it is larger than the sum of its proper divisors (71496895145).

22664515660159 is an equidigital number, since it uses as much as digits as its factorization.

22664515660159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71496895144.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 22664515660159 in words is "twenty-two trillion, six hundred sixty-four billion, five hundred fifteen million, six hundred sixty thousand, one hundred fifty-nine".