163556346712 has 16 divisors (see below), whose sum is σ = 334547073000. Its totient is φ = 74343793920.

The previous prime is 163556346703. The next prime is 163556346719. The reversal of 163556346712 is 217643655361.

163556346712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163556346719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929297337 + ... + 929297512.

Almost surely, 2^163556346712 is an apocalyptic number.

It is an amenable number.

163556346712 is an abundant number, since it is smaller than the sum of its proper divisors (170990726288).

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

163556346712 is a wasteful number, since it uses less digits than its factorization.

163556346712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858594866 (or 1858594862 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The spelling of 163556346712 in words is "one hundred sixty-three billion, five hundred fifty-six million, three hundred forty-six thousand, seven hundred twelve".