11791660 has 12 divisors (see below), whose sum is σ = 24762528. Its totient is φ = 4716656.

The previous prime is 11791651. The next prime is 11791667. The reversal of 11791660 is 6619711.

It is not an unprimeable number, because it can be changed into a prime (11791667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294772 + ... + 294811.

It is an arithmetic number, because the mean of its divisors is an integer number (2063544).

Almost surely, 2^11791660 is an apocalyptic number.

11791660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11791660 is an abundant number, since it is smaller than the sum of its proper divisors (12970868).

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

11791660 is a wasteful number, since it uses less digits than its factorization.

11791660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589592 (or 589590 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11791660 is about 3433.8986589589. The cubic root of 11791660 is about 227.6101628045.

The spelling of 11791660 in words is "eleven million, seven hundred ninety-one thousand, six hundred sixty".