22166311662 has 64 divisors (see below), whose sum is σ = 56897510400. Its totient is φ = 6321939840.

The previous prime is 22166311633. The next prime is 22166311667. The reversal of 22166311662 is 26611366122.

22166311662 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 631 + 16 + 6 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166311667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1087462 + ... + 1107657.

It is an arithmetic number, because the mean of its divisors is an integer number (889023600).

Almost surely, 2^22166311662 is an apocalyptic number.

22166311662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22166311662 is an abundant number, since it is smaller than the sum of its proper divisors (34731198738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22166311662 is a wasteful number, since it uses less digits than its factorization.

22166311662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195158 (or 2195152 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

Adding to 22166311662 its reverse (26611366122), we get a palindrome (48777677784).

The spelling of 22166311662 in words is "twenty-two billion, one hundred sixty-six million, three hundred eleven thousand, six hundred sixty-two".