11166344240 has 20 divisors (see below), whose sum is σ = 25961750544. Its totient is φ = 4466537664.

The previous prime is 11166344207. The next prime is 11166344297. The reversal of 11166344240 is 4244366111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 11166344197 and 11166344206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69789572 + ... + 69789731.

Almost surely, 2^11166344240 is an apocalyptic number.

11166344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11166344240 is an abundant number, since it is smaller than the sum of its proper divisors (14795406304).

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

11166344240 is a wasteful number, since it uses less digits than its factorization.

11166344240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139579316 (or 139579310 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 11166344240 in words is "eleven billion, one hundred sixty-six million, three hundred forty-four thousand, two hundred forty".