163913886222 has 16 divisors (see below), whose sum is σ = 328024449792. Its totient is φ = 54605182520.

The previous prime is 163913886197. The next prime is 163913886223. The reversal of 163913886222 is 222688319361.

It is a happy number.

It is a super-2 number, since 2×163913886222² (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 (163913886223) 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, 8184054 + ... + 8204057.

It is an arithmetic number, because the mean of its divisors is an integer number (20501528112).

Almost surely, 2^163913886222 is an apocalyptic number.

163913886222 is an abundant number, since it is smaller than the sum of its proper divisors (164110563570).

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

163913886222 is a wasteful number, since it uses less digits than its factorization.

163913886222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16389783.

The product of its digits is 1492992, while the sum is 51.

The spelling of 163913886222 in words is "one hundred sixty-three billion, nine hundred thirteen million, eight hundred eighty-six thousand, two hundred twenty-two".