163617673564 has 12 divisors (see below), whose sum is σ = 286336195488. Its totient is φ = 81807332000.

The previous prime is 163617673537. The next prime is 163617673567. The reversal of 163617673564 is 465376716361.

163617673564 is digitally balanced in base 3, 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 (163617673567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110737 + ... + 582664.

It is an arithmetic number, because the mean of its divisors is an integer number (23861349624).

Almost surely, 2^163617673564 is an apocalyptic number.

It is an amenable number.

163617673564 is a deficient number, since it is larger than the sum of its proper divisors (122718521924).

163617673564 is a wasteful number, since it uses less digits than its factorization.

163617673564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752396 (or 752394 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 55.

The spelling of 163617673564 in words is "one hundred sixty-three billion, six hundred seventeen million, six hundred seventy-three thousand, five hundred sixty-four".