163672111 has 8 divisors (see below), whose sum is σ = 167508000. Its totient is φ = 159878880.

The previous prime is 163672081. The next prime is 163672129. The reversal of 163672111 is 111276361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163672111 - 2¹³ = 163663919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163672111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163672181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (20938500).

Almost surely, 2^163672111 is an apocalyptic number.

163672111 is a deficient number, since it is larger than the sum of its proper divisors (3835889).

163672111 is a wasteful number, since it uses less digits than its factorization.

163672111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21329.

The product of its digits is 1512, while the sum is 28.

The square root of 163672111 is about 12793.4401550169. The cubic root of 163672111 is about 547.0053340121.

The spelling of 163672111 in words is "one hundred sixty-three million, six hundred seventy-two thousand, one hundred eleven".