163641136628 has 24 divisors (see below), whose sum is σ = 286750054080. Its totient is φ = 81712627200.

The previous prime is 163641136627. The next prime is 163641136639. The reversal of 163641136628 is 826631146361.

163641136628 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 (163641136627) 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 7 ways as a sum of consecutive naturals, for example, 10103825 + ... + 10120007.

It is an arithmetic number, because the mean of its divisors is an integer number (11947918920).

Almost surely, 2^163641136628 is an apocalyptic number.

It is an amenable number.

163641136628 is a deficient number, since it is larger than the sum of its proper divisors (123108917452).

163641136628 is a wasteful number, since it uses less digits than its factorization.

163641136628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19367 (or 19365 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The spelling of 163641136628 in words is "one hundred sixty-three billion, six hundred forty-one million, one hundred thirty-six thousand, six hundred twenty-eight".