672166 has 8 divisors (see below), whose sum is σ = 1099944. Its totient is φ = 305520.

The previous prime is 672151. The next prime is 672167. The reversal of 672166 is 661276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672167) 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, 15255 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (137493).

2⁶⁷²¹⁶⁶ is an apocalyptic number.

672166 is a deficient number, since it is larger than the sum of its proper divisors (427778).

672166 is a wasteful number, since it uses less digits than its factorization.

672166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30566.

The product of its digits is 3024, while the sum is 28.

The square root of 672166 is about 819.8573046573. The cubic root of 672166 is about 87.5975945073.

It can be divided in two parts, 672 and 166, that added together give a palindrome (838).

The spelling of 672166 in words is "six hundred seventy-two thousand, one hundred sixty-six".