4861306660 has 72 divisors (see below), whose sum is σ = 11886497280. Its totient is φ = 1665187776.

The previous prime is 4861306643. The next prime is 4861306691. The reversal of 4861306660 is 666031684.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1687101 + ... + 1689979.

It is an arithmetic number, because the mean of its divisors is an integer number (165090240).

Almost surely, 2^4861306660 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 4861306660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5943248640).

4861306660 is an abundant number, since it is smaller than the sum of its proper divisors (7025190620).

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

4861306660 is a wasteful number, since it uses less digits than its factorization.

4861306660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4861306660 is about 69723.0712174959. The cubic root of 4861306660 is about 1694.0166425977.

The spelling of 4861306660 in words is "four billion, eight hundred sixty-one million, three hundred six thousand, six hundred sixty".