4665665857860 has 672 divisors, whose sum is σ = 17695947709440. Its totient is φ = 1008960447744.

The previous prime is 4665665857813. The next prime is 4665665857861. The reversal of 4665665857860 is 687585665664.

4665665857860 is a `hidden beast` number, since 4 + 6 + 6 + 566 + 5 + 8 + 57 + 8 + 6 + 0 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4665665857861) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2301758167 + ... + 2301760193.

It is an arithmetic number, because the mean of its divisors is an integer number (26333255520).

Almost surely, 2^{4665665857860} 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 4665665857860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8847973854720).

4665665857860 is an abundant number, since it is smaller than the sum of its proper divisors (13030281851580).

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

4665665857860 is a wasteful number, since it uses less digits than its factorization.

4665665857860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 1741824000, while the sum is 72.

The spelling of 4665665857860 in words is "four trillion, six hundred sixty-five billion, six hundred sixty-five million, eight hundred fifty-seven thousand, eight hundred sixty".