4664161 has 4 divisors (see below), whose sum is σ = 4668592. Its totient is φ = 4659732.

The previous prime is 4664141. The next prime is 4664173. The reversal of 4664161 is 1614664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4664161 - 2⁵ = 4664129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4664111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (1167148).

Almost surely, 2^4664161 is an apocalyptic number.

It is an amenable number.

4664161 is a deficient number, since it is larger than the sum of its proper divisors (4431).

4664161 is a wasteful number, since it uses less digits than its factorization.

4664161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430.

The product of its digits is 3456, while the sum is 28.

The square root of 4664161 is about 2159.6668724597. Note that the first 3 decimals coincide. The cubic root of 4664161 is about 167.0800171121.

The spelling of 4664161 in words is "four million, six hundred sixty-four thousand, one hundred sixty-one".