163423126066 has 8 divisors (see below), whose sum is σ = 245298882924. Its totient is φ = 81656831760.

The previous prime is 163423126039. The next prime is 163423126073. The reversal of 163423126066 is 660621324361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127321226041 + 36101900025 = 356821^2 + 190005^2 .

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

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, 27361905 + ... + 27367876.

Almost surely, 2^163423126066 is an apocalyptic number.

163423126066 is a deficient number, since it is larger than the sum of its proper divisors (81875756858).

163423126066 is a wasteful number, since it uses less digits than its factorization.

163423126066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54731276.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 163423126066 in words is "one hundred sixty-three billion, four hundred twenty-three million, one hundred twenty-six thousand, sixty-six".