1868656316 has 12 divisors (see below), whose sum is σ = 3375637440. Its totient is φ = 904188480.

The previous prime is 1868656297. The next prime is 1868656343. The reversal of 1868656316 is 6136568681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7534781 + ... + 7535028.

It is an arithmetic number, because the mean of its divisors is an integer number (281303120).

Almost surely, 2^1868656316 is an apocalyptic number.

It is an amenable number.

1868656316 is a deficient number, since it is larger than the sum of its proper divisors (1506981124).

1868656316 is a wasteful number, since it uses less digits than its factorization.

1868656316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15069844 (or 15069842 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 1868656316 is about 43227.9575737739. The cubic root of 1868656316 is about 1231.7138107592.

The spelling of 1868656316 in words is "one billion, eight hundred sixty-eight million, six hundred fifty-six thousand, three hundred sixteen".