11616222017 has 8 divisors (see below), whose sum is σ = 11779681416. Its totient is φ = 11452879872.

The previous prime is 11616222001. The next prime is 11616222041. The reversal of 11616222017 is 71022261611.

It can be written as a sum of positive squares in 4 ways, for example, as 7170533041 + 4445688976 = 84679^2 + 66676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11616222017 - 2⁴ = 11616222001 is a prime.

It is a super-2 number, since 2×11616222017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11616222097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180713 + ... + 236409.

It is an arithmetic number, because the mean of its divisors is an integer number (1472460177).

Almost surely, 2^11616222017 is an apocalyptic number.

It is an amenable number.

11616222017 is a deficient number, since it is larger than the sum of its proper divisors (163459399).

11616222017 is an equidigital number, since it uses as much as digits as its factorization.

11616222017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58627.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 11616222017 its reverse (71022261611), we get a palindrome (82638483628).

The spelling of 11616222017 in words is "eleven billion, six hundred sixteen million, two hundred twenty-two thousand, seventeen".