22166376959 has 4 divisors (see below), whose sum is σ = 23470281504. Its totient is φ = 20862472416.

The previous prime is 22166376941. The next prime is 22166376997. The reversal of 22166376959 is 95967366122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95967366122 = 2 ⋅47983683061.

It is a cyclic number.

It is not a de Polignac number, because 22166376959 - 2²⁴ = 22149599743 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 (22166346959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651952247 + ... + 651952280.

It is an arithmetic number, because the mean of its divisors is an integer number (5867570376).

Almost surely, 2^22166376959 is an apocalyptic number.

22166376959 is a deficient number, since it is larger than the sum of its proper divisors (1303904545).

22166376959 is a wasteful number, since it uses less digits than its factorization.

22166376959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303904544.

The product of its digits is 7348320, while the sum is 56.

The spelling of 22166376959 in words is "twenty-two billion, one hundred sixty-six million, three hundred seventy-six thousand, nine hundred fifty-nine".