163641136222 has 8 divisors (see below), whose sum is σ = 245468270016. Its totient is φ = 81818379552.

The previous prime is 163641136187. The next prime is 163641136237. The reversal of 163641136222 is 222631146361.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999163 + ... + 1151350.

It is an arithmetic number, because the mean of its divisors is an integer number (30683533752).

Almost surely, 2^163641136222 is an apocalyptic number.

163641136222 is a deficient number, since it is larger than the sum of its proper divisors (81827133794).

163641136222 is a wasteful number, since it uses less digits than its factorization.

163641136222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188562.

The product of its digits is 62208, while the sum is 37.

The spelling of 163641136222 in words is "one hundred sixty-three billion, six hundred forty-one million, one hundred thirty-six thousand, two hundred twenty-two".