11672022166 has 24 divisors (see below), whose sum is σ = 20405518920. Its totient is φ = 4992708672.

The previous prime is 11672022161. The next prime is 11672022169. The reversal of 11672022166 is 66122027611.

It is a super-2 number, since 2×11672022166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11672022161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62611 + ... + 165118.

It is an arithmetic number, because the mean of its divisors is an integer number (850229955).

Almost surely, 2^11672022166 is an apocalyptic number.

11672022166 is a deficient number, since it is larger than the sum of its proper divisors (8733496754).

11672022166 is a wasteful number, since it uses less digits than its factorization.

11672022166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228268 (or 228261 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 11672022166 its reverse (66122027611), we get a palindrome (77794049777).

Subtracting 11672022166 from its reverse (66122027611), we obtain a palindrome (54450005445).

The spelling of 11672022166 in words is "eleven billion, six hundred seventy-two million, twenty-two thousand, one hundred sixty-six".