1066156 has 48 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 403200.

The previous prime is 1066141. The next prime is 1066157. The reversal of 1066156 is 6516601.

It is a super-2 number, since 2×1066156² = 2273377232672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066156.

It is not an unprimeable number, because it can be changed into a prime (1066157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (49980).

2^1066156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199520).

1066156 is an abundant number, since it is smaller than the sum of its proper divisors (1332884).

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

1066156 is a wasteful number, since it uses less digits than its factorization.

1066156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1066156 is about 1032.5483039548. The cubic root of 1066156 is about 102.1582830212.

It can be divided in two parts, 10 and 66156, that added together give a palindrome (66166).

The spelling of 1066156 in words is "one million, sixty-six thousand, one hundred fifty-six".