11166040 has 64 divisors (see below), whose sum is σ = 26827200. Its totient is φ = 4173312.

The previous prime is 11166037. The next prime is 11166049. The reversal of 11166040 is 4066111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11165999 and 11166017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48646 + ... + 48874.

It is an arithmetic number, because the mean of its divisors is an integer number (419175).

Almost surely, 2^11166040 is an apocalyptic number.

11166040 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 11166040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13413600).

11166040 is an abundant number, since it is smaller than the sum of its proper divisors (15661160).

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

11166040 is a wasteful number, since it uses less digits than its factorization.

11166040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

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

The square root of 11166040 is about 3341.5625087674. The cubic root of 11166040 is about 223.5114244936.

The spelling of 11166040 in words is "eleven million, one hundred sixty-six thousand, forty".