166141000 has 128 divisors (see below), whose sum is σ = 427096800. Its totient is φ = 60211200.

The previous prime is 166140973. The next prime is 166141007. The reversal of 166141000 is 141661.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4901796 + 161239204 = 2214^2 + 12698^2 .

It is not an unprimeable number, because it can be changed into a prime (166141007) 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 31 ways as a sum of consecutive naturals, for example, 492832 + ... + 493168.

Almost surely, 2^166141000 is an apocalyptic number.

166141000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213548400).

166141000 is an abundant number, since it is smaller than the sum of its proper divisors (260955800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166141000 is a wasteful number, since it uses less digits than its factorization.

166141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 166141000 is about 12889.5694264781. The cubic root of 166141000 is about 549.7420277799.

Adding to 166141000 its reverse (141661), we get a palindrome (166282661).

The spelling of 166141000 in words is "one hundred sixty-six million, one hundred forty-one thousand".