4641047161 has 4 divisors (see below), whose sum is σ = 4801083300. Its totient is φ = 4481011024.

The previous prime is 4641047143. The next prime is 4641047227. The reversal of 4641047161 is 1617401464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 788486400 + 3852560761 = 28080^2 + 62069^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641047161 - 2⁵ = 4641047129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4641047861) 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 3 ways as a sum of consecutive naturals, for example, 80018026 + ... + 80018083.

It is an arithmetic number, because the mean of its divisors is an integer number (1200270825).

Almost surely, 2^4641047161 is an apocalyptic number.

It is an amenable number.

4641047161 is a deficient number, since it is larger than the sum of its proper divisors (160036139).

4641047161 is a wasteful number, since it uses less digits than its factorization.

4641047161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160036138.

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

The square root of 4641047161 is about 68125.2314564875. The cubic root of 4641047161 is about 1668.0356456611.

The spelling of 4641047161 in words is "four billion, six hundred forty-one million, forty-seven thousand, one hundred sixty-one".