2723804161 has 8 divisors (see below), whose sum is σ = 2960240360. Its totient is φ = 2491212672.

The previous prime is 2723804159. The next prime is 2723804183. The reversal of 2723804161 is 1614083272.

It can be written as a sum of positive squares in 4 ways, for example, as 40564161 + 2683240000 = 6369^2 + 51800^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2723804161 - 2¹ = 2723804159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723804101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959700 + ... + 962533.

It is an arithmetic number, because the mean of its divisors is an integer number (370030045).

Almost surely, 2^2723804161 is an apocalyptic number.

It is an amenable number.

2723804161 is a deficient number, since it is larger than the sum of its proper divisors (236436199).

2723804161 is a wasteful number, since it uses less digits than its factorization.

2723804161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922355.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2723804161 is about 52190.0772273811. The cubic root of 2723804161 is about 1396.5568724975.

The spelling of 2723804161 in words is "two billion, seven hundred twenty-three million, eight hundred four thousand, one hundred sixty-one".