10665595520 has 64 divisors (see below), whose sum is σ = 25510191840. Its totient is φ = 4264104960.

The previous prime is 10665595519. The next prime is 10665595571. The reversal of 10665595520 is 2559556601.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×10665595520² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129339 + ... + 2134341.

Almost surely, 2^10665595520 is an apocalyptic number.

10665595520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10665595520 is an abundant number, since it is smaller than the sum of its proper divisors (14844596320).

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

10665595520 is an equidigital number, since it uses as much as digits as its factorization.

10665595520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 10665595520 in words is "ten billion, six hundred sixty-five million, five hundred ninety-five thousand, five hundred twenty".