11165960 has 64 divisors (see below), whose sum is σ = 27442800. Its totient is φ = 4064256.

The previous prime is 11165953. The next prime is 11166031. The reversal of 11165960 is 6956111.

It can be written as a sum of positive squares in 8 ways, for example, as 7300804 + 3865156 = 2702^2 + 1966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56582 + ... + 56778.

Almost surely, 2^11165960 is an apocalyptic number.

11165960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11165960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13721400).

11165960 is an abundant number, since it is smaller than the sum of its proper divisors (16276840).

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

11165960 is a wasteful number, since it uses less digits than its factorization.

11165960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11165960 is about 3341.5505382981. The cubic root of 11165960 is about 223.5108907038.

The spelling of 11165960 in words is "eleven million, one hundred sixty-five thousand, nine hundred sixty".