663160075868 has 6 divisors (see below), whose sum is σ = 1160530132776. Its totient is φ = 331580037932.

The previous prime is 663160075843. The next prime is 663160075901. The reversal of 663160075868 is 868570061366.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82895009480 + ... + 82895009487.

It is an arithmetic number, because the mean of its divisors is an integer number (193421688796).

Almost surely, 2^663160075868 is an apocalyptic number.

It is an amenable number.

663160075868 is a deficient number, since it is larger than the sum of its proper divisors (497370056908).

663160075868 is a wasteful number, since it uses less digits than its factorization.

663160075868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165790018971 (or 165790018969 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 663160075868 in words is "six hundred sixty-three billion, one hundred sixty million, seventy-five thousand, eight hundred sixty-eight".