4866191668 has 12 divisors (see below), whose sum is σ = 9170899780. Its totient is φ = 2245934592.

The previous prime is 4866191653. The next prime is 4866191711. The reversal of 4866191668 is 8661916684.

It can be written as a sum of positive squares in 2 ways, for example, as 1421440804 + 3444750864 = 37702^2 + 58692^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 46790253 + ... + 46790356.

Almost surely, 2^4866191668 is an apocalyptic number.

It is an amenable number.

4866191668 is a deficient number, since it is larger than the sum of its proper divisors (4304708112).

4866191668 is a wasteful number, since it uses less digits than its factorization.

4866191668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93580626 (or 93580624 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 4866191668 is about 69758.0939246479. The cubic root of 4866191668 is about 1694.5838779180.

The spelling of 4866191668 in words is "four billion, eight hundred sixty-six million, one hundred ninety-one thousand, six hundred sixty-eight".