163712054326 has 4 divisors (see below), whose sum is σ = 245568081492. Its totient is φ = 81856027162.

The previous prime is 163712054227. The next prime is 163712054327. The reversal of 163712054326 is 623450217361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163712054327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40928013580 + ... + 40928013583.

It is an arithmetic number, because the mean of its divisors is an integer number (61392020373).

Almost surely, 2^163712054326 is an apocalyptic number.

163712054326 is a deficient number, since it is larger than the sum of its proper divisors (81856027166).

163712054326 is an equidigital number, since it uses as much as digits as its factorization.

163712054326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81856027165.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 163712054326 in words is "one hundred sixty-three billion, seven hundred twelve million, fifty-four thousand, three hundred twenty-six".