10665560 has 32 divisors (see below), whose sum is σ = 25043040. Its totient is φ = 4080384.

The previous prime is 10665559. The next prime is 10665563. The reversal of 10665560 is 6556601.

10665560 = T₁₁₈₅ + T₁₁₈₆ + ... + T₁₁₉₉.

10665560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10665560² = 227508340227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665563) 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, 4877 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (782595).

Almost surely, 2^10665560 is an apocalyptic number.

10665560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10665560 is an abundant number, since it is smaller than the sum of its proper divisors (14377480).

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

10665560 is a wasteful number, since it uses less digits than its factorization.

10665560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11627 (or 11623 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 10665560 is about 3265.8168962757. The cubic root of 10665560 is about 220.1208702196.

The spelling of 10665560 in words is "ten million, six hundred sixty-five thousand, five hundred sixty".