163127572 has 6 divisors (see below), whose sum is σ = 285473258. Its totient is φ = 81563784.

The previous prime is 163127567. The next prime is 163127579. The reversal of 163127572 is 275721361.

It can be written as a sum of positive squares in only one way, i.e., 162970756 + 156816 = 12766^2 + 396^2 .

It is a super-2 number, since 2×163127572² = 53221209493230368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163127579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20390943 + ... + 20390950.

Almost surely, 2^163127572 is an apocalyptic number.

It is an amenable number.

163127572 is a deficient number, since it is larger than the sum of its proper divisors (122345686).

163127572 is a wasteful number, since it uses less digits than its factorization.

163127572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781897 (or 40781895 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 163127572 is about 12772.1404627416. The cubic root of 163127572 is about 546.3980289925.

The spelling of 163127572 in words is "one hundred sixty-three million, one hundred twenty-seven thousand, five hundred seventy-two".