11166840 has 48 divisors (see below), whose sum is σ = 36293400. Its totient is φ = 2977728.

The previous prime is 11166839. The next prime is 11166853. The reversal of 11166840 is 4866111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15150 + ... + 15869.

Almost surely, 2^11166840 is an apocalyptic number.

11166840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11166840 is an abundant number, since it is smaller than the sum of its proper divisors (25126560).

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

11166840 is a wasteful number, since it uses less digits than its factorization.

11166840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036 (or 31029 counting only the distinct ones).

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

The square root of 11166840 is about 3341.6822111027. The cubic root of 11166840 is about 223.5167622520.

The spelling of 11166840 in words is "eleven million, one hundred sixty-six thousand, eight hundred forty".