11660012340 has 48 divisors (see below), whose sum is σ = 34366355520. Its totient is φ = 2945687040.

The previous prime is 11660012333. The next prime is 11660012341. The reversal of 11660012340 is 4321006611.

It is a self number, because there is not a number n which added to its sum of digits gives 11660012340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660012341) 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, 5112901 + ... + 5115180.

It is an arithmetic number, because the mean of its divisors is an integer number (715965740).

Almost surely, 2^11660012340 is an apocalyptic number.

11660012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11660012340 is an abundant number, since it is smaller than the sum of its proper divisors (22706343180).

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

11660012340 is a wasteful number, since it uses less digits than its factorization.

11660012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228112 (or 10228110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11660012340 its reverse (4321006611), we get a palindrome (15981018951).

The spelling of 11660012340 in words is "eleven billion, six hundred sixty million, twelve thousand, three hundred forty".