4866168715685 has 4 divisors (see below), whose sum is σ = 5839402458828. Its totient is φ = 3892934972544.

The previous prime is 4866168715649. The next prime is 4866168715691. The reversal of 4866168715685 is 5865178616684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2419340708929 + 2446828006756 = 1555423^2 + 1564234^2 .

It is a cyclic number.

It is not a de Polignac number, because 4866168715685 - 2⁶ = 4866168715621 is a prime.

It is a super-2 number, since 2×4866168715685² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486616871564 + ... + 486616871573.

It is an arithmetic number, because the mean of its divisors is an integer number (1459850614707).

Almost surely, 2^{4866168715685} is an apocalyptic number.

It is an amenable number.

4866168715685 is a deficient number, since it is larger than the sum of its proper divisors (973233743143).

4866168715685 is an equidigital number, since it uses as much as digits as its factorization.

4866168715685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973233743142.

The product of its digits is 464486400, while the sum is 71.

Subtracting 4866168715685 from its reverse (5865178616684), we obtain a palindrome (999009900999).

The spelling of 4866168715685 in words is "four trillion, eight hundred sixty-six billion, one hundred sixty-eight million, seven hundred fifteen thousand, six hundred eighty-five".