163023543272 has 32 divisors (see below), whose sum is σ = 321802269600. Its totient is φ = 77210812224.

The previous prime is 163023543259. The next prime is 163023543337. The reversal of 163023543272 is 272345320361.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064783 + ... + 1208225.

It is an arithmetic number, because the mean of its divisors is an integer number (10056320925).

Almost surely, 2^163023543272 is an apocalyptic number.

It is an amenable number.

163023543272 is a deficient number, since it is larger than the sum of its proper divisors (158778726328).

163023543272 is a wasteful number, since it uses less digits than its factorization.

163023543272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150945 (or 150941 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 163023543272 in words is "one hundred sixty-three billion, twenty-three million, five hundred forty-three thousand, two hundred seventy-two".