10391074666686 has 48 divisors (see below), whose sum is σ = 25747988963424. Its totient is φ = 2966835148992.

The previous prime is 10391074666667. The next prime is 10391074666699. The reversal of 10391074666686 is 68666647019301.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 23 ways as a sum of consecutive naturals, for example, 28195741 + ... + 28561896.

It is an arithmetic number, because the mean of its divisors is an integer number (536416436738).

Almost surely, 2^{10391074666686} is an apocalyptic number.

10391074666686 is an abundant number, since it is smaller than the sum of its proper divisors (15356914296738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10391074666686 is a wasteful number, since it uses less digits than its factorization.

10391074666686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56759105 (or 56759102 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 10391074666686 in words is "ten trillion, three hundred ninety-one billion, seventy-four million, six hundred sixty-six thousand, six hundred eighty-six".