163124872 has 8 divisors (see below), whose sum is σ = 305859150. Its totient is φ = 81562432.

The previous prime is 163124867. The next prime is 163124881. The reversal of 163124872 is 278421361.

It can be written as a sum of positive squares in only one way, i.e., 124858276 + 38266596 = 11174^2 + 6186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10195297 + ... + 10195312.

Almost surely, 2^163124872 is an apocalyptic number.

It is an amenable number.

163124872 is a deficient number, since it is larger than the sum of its proper divisors (142734278).

163124872 is a wasteful number, since it uses less digits than its factorization.

163124872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390615 (or 20390611 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 163124872 is about 12772.0347634979. The cubic root of 163124872 is about 546.3950144136.

The spelling of 163124872 in words is "one hundred sixty-three million, one hundred twenty-four thousand, eight hundred seventy-two".