163672093 has 4 divisors (see below), whose sum is σ = 176262268. Its totient is φ = 151081920.

The previous prime is 163672081. The next prime is 163672129. The reversal of 163672093 is 390276361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32752729 + 130919364 = 5723^2 + 11442^2 .

It is a cyclic number.

It is not a de Polignac number, because 163672093 - 2¹³ = 163663901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163672043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6295068 + ... + 6295093.

It is an arithmetic number, because the mean of its divisors is an integer number (44065567).

Almost surely, 2^163672093 is an apocalyptic number.

163672093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

163672093 is a deficient number, since it is larger than the sum of its proper divisors (12590175).

163672093 is a wasteful number, since it uses less digits than its factorization.

163672093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590174.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 163672093 is about 12793.4394515314. The cubic root of 163672093 is about 547.0053139597.

The spelling of 163672093 in words is "one hundred sixty-three million, six hundred seventy-two thousand, ninety-three".