163122231643 has 16 divisors (see below), whose sum is σ = 194794237440. Its totient is φ = 133558894656.

The previous prime is 163122231637. The next prime is 163122231673. The reversal of 163122231643 is 346132221361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163122231643 - 2⁵ = 163122231611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163122231599 and 163122231608.

It is not an unprimeable number, because it can be changed into a prime (163122231673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566530 + ... + 804487.

It is an arithmetic number, because the mean of its divisors is an integer number (12174639840).

Almost surely, 2^163122231643 is an apocalyptic number.

163122231643 is a deficient number, since it is larger than the sum of its proper divisors (31672005797).

163122231643 is a wasteful number, since it uses less digits than its factorization.

163122231643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371786.

The product of its digits is 31104, while the sum is 34.

The spelling of 163122231643 in words is "one hundred sixty-three billion, one hundred twenty-two million, two hundred thirty-one thousand, six hundred forty-three".