10681587686 has 32 divisors (see below), whose sum is σ = 20053757952. Its totient is φ = 4145448960.

The previous prime is 10681587677. The next prime is 10681587733. The reversal of 10681587686 is 68678518601.

It is a happy number.

It is a super-2 number, since 2×10681587686² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 95366 + ... + 174521.

It is an arithmetic number, because the mean of its divisors is an integer number (626679936).

Almost surely, 2^10681587686 is an apocalyptic number.

10681587686 is a deficient number, since it is larger than the sum of its proper divisors (9372170266).

10681587686 is a wasteful number, since it uses less digits than its factorization.

10681587686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270164.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 10681587686 in words is "ten billion, six hundred eighty-one million, five hundred eighty-seven thousand, six hundred eighty-six".