665011160 has 48 divisors (see below), whose sum is σ = 1644678000. Its totient is φ = 241820480.

The previous prime is 665011133. The next prime is 665011181. The reversal of 665011160 is 61110566.

665011160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63860 + ... + 73539.

It is an arithmetic number, because the mean of its divisors is an integer number (34264125).

Almost surely, 2^665011160 is an apocalyptic number.

It is an amenable number.

665011160 is an abundant number, since it is smaller than the sum of its proper divisors (979666840).

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

665011160 is a wasteful number, since it uses less digits than its factorization.

665011160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137432 (or 137417 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 665011160 is about 25787.8102986663. The cubic root of 665011160 is about 872.8567562115.

The spelling of 665011160 in words is "six hundred sixty-five million, eleven thousand, one hundred sixty".