166841100 has 144 divisors (see below), whose sum is σ = 545694240. Its totient is φ = 43718400.

The previous prime is 166841053. The next prime is 166841107. The reversal of 166841100 is 1148661.

166841100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (166841107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164194 + ... + 165206.

Almost surely, 2^166841100 is an apocalyptic number.

166841100 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 166841100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272847120).

166841100 is an abundant number, since it is smaller than the sum of its proper divisors (378853140).

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

166841100 is a wasteful number, since it uses less digits than its factorization.

166841100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 166841100 is about 12916.6984945844. The cubic root of 166841100 is about 550.5131299350.

Adding to 166841100 its reverse (1148661), we get a palindrome (167989761).

The spelling of 166841100 in words is "one hundred sixty-six million, eight hundred forty-one thousand, one hundred".