1161164 has 12 divisors (see below), whose sum is σ = 2051784. Its totient is φ = 574944.

The previous prime is 1161163. The next prime is 1161169. The reversal of 1161164 is 4611611.

It is not an unprimeable number, because it can be changed into a prime (1161163) 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, 929 + ... + 1784.

It is an arithmetic number, because the mean of its divisors is an integer number (170982).

2^1161164 is an apocalyptic number.

It is an amenable number.

1161164 is a deficient number, since it is larger than the sum of its proper divisors (890620).

1161164 is a wasteful number, since it uses less digits than its factorization.

1161164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2822 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1161164 is about 1077.5731993698. The cubic root of 1161164 is about 105.1068903924.

Adding to 1161164 its reverse (4611611), we get a palindrome (5772775).

It can be divided in two parts, 116116 and 4, that multiplied together give a palindrome (464464).

The spelling of 1161164 in words is "one million, one hundred sixty-one thousand, one hundred sixty-four".