391680143061 has 8 divisors (see below), whose sum is σ = 534977756544. Its totient is φ = 254751312480.

The previous prime is 391680143053. The next prime is 391680143111. The reversal of 391680143061 is 160341086193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 391680143061 - 2³ = 391680143053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391680143161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1592195581 + ... + 1592195826.

It is an arithmetic number, because the mean of its divisors is an integer number (66872219568).

Almost surely, 2^391680143061 is an apocalyptic number.

It is an amenable number.

391680143061 is a deficient number, since it is larger than the sum of its proper divisors (143297613483).

391680143061 is a wasteful number, since it uses less digits than its factorization.

391680143061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184391451.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 391680143061 in words is "three hundred ninety-one billion, six hundred eighty million, one hundred forty-three thousand, sixty-one".