391680143068 has 12 divisors (see below), whose sum is σ = 721516053160. Its totient is φ = 185532699312.

The previous prime is 391680143053. The next prime is 391680143111. The reversal of 391680143068 is 860341086193.

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 in 3 ways as a sum of consecutive naturals, for example, 2576842971 + ... + 2576843122.

Almost surely, 2^391680143068 is an apocalyptic number.

391680143068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

391680143068 is a deficient number, since it is larger than the sum of its proper divisors (329835910092).

391680143068 is a wasteful number, since it uses less digits than its factorization.

391680143068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153686116 (or 5153686114 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 391680143068 in words is "three hundred ninety-one billion, six hundred eighty million, one hundred forty-three thousand, sixty-eight".