10553166 has 40 divisors (see below), whose sum is σ = 25470984. Its totient is φ = 3246480.

The previous prime is 10553161. The next prime is 10553167. The reversal of 10553166 is 66135501.

It is a happy number.

It is a super-2 number, since 2×10553166² = 222738625247112, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 400 + ... + 4611.

Almost surely, 2^10553166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10553166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12735492).

10553166 is an abundant number, since it is smaller than the sum of its proper divisors (14917818).

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

10553166 is a wasteful number, since it uses less digits than its factorization.

10553166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 10553166 is about 3248.5636826142. The cubic root of 10553166 is about 219.3449246519.

Adding to 10553166 its reverse (66135501), we get a palindrome (76688667).

The spelling of 10553166 in words is "ten million, five hundred fifty-three thousand, one hundred sixty-six".