2321165160 has 112 divisors (see below), whose sum is σ = 7830448740. Its totient is φ = 618969600.

The previous prime is 2321165131. The next prime is 2321165183. The reversal of 2321165160 is 615611232.

2321165160 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 1 + 651 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1861577316 + 459587844 = 43146^2 + 21438^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10641 + ... + 68960.

Almost surely, 2^2321165160 is an apocalyptic number.

2321165160 is a gapful number since it is divisible by the number (20) 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 2321165160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3915224370).

2321165160 is an abundant number, since it is smaller than the sum of its proper divisors (5509283580).

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

2321165160 is an equidigital number, since it uses as much as digits as its factorization.

2321165160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79630 (or 79611 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2321165160 is about 48178.4719558435. The cubic root of 2321165160 is about 1324.0427708335.

Adding to 2321165160 its reverse (615611232), we get a palindrome (2936776392).

The spelling of 2321165160 in words is "two billion, three hundred twenty-one million, one hundred sixty-five thousand, one hundred sixty".