163672 has 16 divisors (see below), whose sum is σ = 315000. Its totient is φ = 79680.

The previous prime is 163661. The next prime is 163673. The reversal of 163672 is 276361.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163673) 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 in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 577.

2¹⁶³⁶⁷² is an apocalyptic number.

It is an amenable number.

163672 is a deficient number, since it is larger than the sum of its proper divisors (151328).

163672 is a wasteful number, since it uses less digits than its factorization.

163672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 163672 is about 404.5639628044. The cubic root of 163672 is about 54.7005210355.

The spelling of 163672 in words is "one hundred sixty-three thousand, six hundred seventy-two".