4611660 has 48 divisors (see below), whose sum is σ = 13057632. Its totient is φ = 1216000.

The previous prime is 4611647. The next prime is 4611683. The reversal of 4611660 is 661164.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4611660.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5680 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (272034).

Almost surely, 2^4611660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4611660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6528816).

4611660 is an abundant number, since it is smaller than the sum of its proper divisors (8445972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4611660 is a wasteful number, since it uses less digits than its factorization.

4611660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4611660 is about 2147.4775901043. The cubic root of 4611660 is about 166.4507515158.

The spelling of 4611660 in words is "four million, six hundred eleven thousand, six hundred sixty".