22666061137 has 4 divisors (see below), whose sum is σ = 23651542080. Its totient is φ = 21680580196.

The previous prime is 22666061123. The next prime is 22666061149. The reversal of 22666061137 is 73116066622.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22666061137 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 22666061137.

It is not an unprimeable number, because it can be changed into a prime (22666062137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492740437 + ... + 492740482.

It is an arithmetic number, because the mean of its divisors is an integer number (5912885520).

Almost surely, 2^22666061137 is an apocalyptic number.

It is an amenable number.

22666061137 is a deficient number, since it is larger than the sum of its proper divisors (985480943).

22666061137 is an equidigital number, since it uses as much as digits as its factorization.

22666061137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985480942.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 22666061137 in words is "twenty-two billion, six hundred sixty-six million, sixty-one thousand, one hundred thirty-seven".