372166 has 8 divisors (see below), whose sum is σ = 568944. Its totient is φ = 182520.

The previous prime is 372149. The next prime is 372167. The reversal of 372166 is 661273.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 372166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372167) 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, 1650 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (71118).

2³⁷²¹⁶⁶ is an apocalyptic number.

372166 is a deficient number, since it is larger than the sum of its proper divisors (196778).

372166 is a wasteful number, since it uses less digits than its factorization.

372166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

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

The square root of 372166 is about 610.0540959620. The cubic root of 372166 is about 71.9303596184.

The spelling of 372166 in words is "three hundred seventy-two thousand, one hundred sixty-six".