1040166 has 12 divisors (see below), whose sum is σ = 2253732. Its totient is φ = 346716.

The previous prime is 1040161. The next prime is 1040167. The reversal of 1040166 is 6610401.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57787 = 1040166 / (1 + 0 + 4 + 0 + 1 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28876 + ... + 28911.

It is an arithmetic number, because the mean of its divisors is an integer number (187811).

2^1040166 is an apocalyptic number.

1040166 is an abundant number, since it is smaller than the sum of its proper divisors (1213566).

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

1040166 is a wasteful number, since it uses less digits than its factorization.

1040166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57795 (or 57792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1040166 is about 1019.8852876672. The cubic root of 1040166 is about 101.3213306228.

Adding to 1040166 its reverse (6610401), we get a palindrome (7650567).

The spelling of 1040166 in words is "one million, forty thousand, one hundred sixty-six".