2104461161 has 24 divisors (see below), whose sum is σ = 2509074792. Its totient is φ = 1756620800.

The previous prime is 2104461157. The next prime is 2104461167. The reversal of 2104461161 is 1611644012.

It can be written as a sum of positive squares in 4 ways, for example, as 282878761 + 1821582400 = 16819^2 + 42680^2 .

It is not a de Polignac number, because 2104461161 - 2² = 2104461157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104461161.

It is not an unprimeable number, because it can be changed into a prime (2104461167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71861 + ... + 96813.

It is an arithmetic number, because the mean of its divisors is an integer number (104544783).

Almost surely, 2^2104461161 is an apocalyptic number.

It is an amenable number.

2104461161 is a deficient number, since it is larger than the sum of its proper divisors (404613631).

2104461161 is a wasteful number, since it uses less digits than its factorization.

2104461161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25033 (or 25022 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2104461161 is about 45874.4063830803. The cubic root of 2104461161 is about 1281.4853283516.

The spelling of 2104461161 in words is "two billion, one hundred four million, four hundred sixty-one thousand, one hundred sixty-one".