22138959163 has 16 divisors (see below), whose sum is σ = 24128803840. Its totient is φ = 20235679200.

The previous prime is 22138959127. The next prime is 22138959197. The reversal of 22138959163 is 36195983122.

It is a cyclic number.

It is not a de Polignac number, because 22138959163 - 2¹³ = 22138950971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22138959103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138181 + ... + 251737.

It is an arithmetic number, because the mean of its divisors is an integer number (1508050240).

Almost surely, 2^22138959163 is an apocalyptic number.

22138959163 is a deficient number, since it is larger than the sum of its proper divisors (1989844677).

22138959163 is a wasteful number, since it uses less digits than its factorization.

22138959163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113938.

The product of its digits is 699840, while the sum is 49.

The spelling of 22138959163 in words is "twenty-two billion, one hundred thirty-eight million, nine hundred fifty-nine thousand, one hundred sixty-three".