4665661 has 32 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 3257280.

The previous prime is 4665653. The next prime is 4665673. The reversal of 4665661 is 1665664.

4665661 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4665661 - 2³ = 4665653 is a prime.

4665661 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4665161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59020 + ... + 59098.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^4665661 is an apocalyptic number.

It is an amenable number.

4665661 is a deficient number, since it is larger than the sum of its proper divisors (1785539).

4665661 is a wasteful number, since it uses less digits than its factorization.

4665661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169.

The product of its digits is 25920, while the sum is 34.

The square root of 4665661 is about 2160.0141203242. The cubic root of 4665661 is about 167.0979262397.

The spelling of 4665661 in words is "four million, six hundred sixty-five thousand, six hundred sixty-one".