168366687222 has 64 divisors (see below), whose sum is σ = 355857511680. Its totient is φ = 53037016704.

The previous prime is 168366687221. The next prime is 168366687241. The reversal of 168366687222 is 222786663861.

It is a super-2 number, since 2×168366687222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168366687221) 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, 1659468 + ... + 1758000.

It is an arithmetic number, because the mean of its divisors is an integer number (5560273620).

Almost surely, 2^168366687222 is an apocalyptic number.

168366687222 is an abundant number, since it is smaller than the sum of its proper divisors (187490824458).

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

168366687222 is a wasteful number, since it uses less digits than its factorization.

168366687222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98797.

The product of its digits is 13934592, while the sum is 57.

The spelling of 168366687222 in words is "one hundred sixty-eight billion, three hundred sixty-six million, six hundred eighty-seven thousand, two hundred twenty-two".