10660880 has 20 divisors (see below), whose sum is σ = 24786732. Its totient is φ = 4264320.

The previous prime is 10660879. The next prime is 10660889. The reversal of 10660880 is 8806601.

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 2274064 = 2896^2 + 1508^2 .

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

It is a super-2 number, since 2×10660880² = 227308724748800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10660889) 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, 66551 + ... + 66710.

Almost surely, 2^10660880 is an apocalyptic number.

10660880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10660880 is an abundant number, since it is smaller than the sum of its proper divisors (14125852).

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

10660880 is a wasteful number, since it uses less digits than its factorization.

10660880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133274 (or 133268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 10660880 is about 3265.1003047380. The cubic root of 10660880 is about 220.0886694917.

The spelling of 10660880 in words is "ten million, six hundred sixty thousand, eight hundred eighty".