10681587687 has 16 divisors (see below), whose sum is σ = 14640576768. Its totient is φ = 6924576960.

The previous prime is 10681587677. The next prime is 10681587733. The reversal of 10681587687 is 78678518601.

It is not a de Polignac number, because 10681587687 - 2²³ = 10673199079 is a prime.

It is a super-2 number, since 2×10681587687² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10681587677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327933 + ... + 359030.

It is an arithmetic number, because the mean of its divisors is an integer number (915036048).

Almost surely, 2^10681587687 is an apocalyptic number.

10681587687 is a deficient number, since it is larger than the sum of its proper divisors (3958989081).

10681587687 is an equidigital number, since it uses as much as digits as its factorization.

10681587687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687110.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 10681587687 in words is "ten billion, six hundred eighty-one million, five hundred eighty-seven thousand, six hundred eighty-seven".