11660660 has 24 divisors (see below), whose sum is σ = 26714016. Its totient is φ = 4240160.

The previous prime is 11660659. The next prime is 11660669. The reversal of 11660660 is 6606611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26282 + ... + 26721.

It is an arithmetic number, because the mean of its divisors is an integer number (1113084).

Almost surely, 2^11660660 is an apocalyptic number.

11660660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11660660 is an abundant number, since it is smaller than the sum of its proper divisors (15053356).

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

11660660 is a wasteful number, since it uses less digits than its factorization.

11660660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53023 (or 53021 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11660660 is about 3414.7708561483. The cubic root of 11660660 is about 226.7641401229.

It can be divided in two parts, 1 and 1660660, that added together give a palindrome (1660661).

The spelling of 11660660 in words is "eleven million, six hundred sixty thousand, six hundred sixty".