166827441 has 16 divisors (see below), whose sum is σ = 253209600. Its totient is φ = 96711120.

The previous prime is 166827431. The next prime is 166827449. The reversal of 166827441 is 144728661.

It is not a de Polignac number, because 166827441 - 2⁶ = 166827377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166827441.

It is not an unprimeable number, because it can be changed into a prime (166827449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109141 + ... + 110658.

It is an arithmetic number, because the mean of its divisors is an integer number (15825600).

Almost surely, 2^166827441 is an apocalyptic number.

166827441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166827441 is a deficient number, since it is larger than the sum of its proper divisors (86382159).

166827441 is a wasteful number, since it uses less digits than its factorization.

166827441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219836.

The product of its digits is 64512, while the sum is 39.

The square root of 166827441 is about 12916.1697495813. The cubic root of 166827441 is about 550.4981063306.

The spelling of 166827441 in words is "one hundred sixty-six million, eight hundred twenty-seven thousand, four hundred forty-one".