10681251636 has 24 divisors (see below), whose sum is σ = 27188640864. Its totient is φ = 3236742880.

The previous prime is 10681251619. The next prime is 10681251661. The reversal of 10681251636 is 63615218601.

It is a super-2 number, since 2×10681251636² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10681251594 and 10681251603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40459155 + ... + 40459418.

It is an arithmetic number, because the mean of its divisors is an integer number (1132860036).

Almost surely, 2^10681251636 is an apocalyptic number.

It is an amenable number.

10681251636 is an abundant number, since it is smaller than the sum of its proper divisors (16507389228).

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

10681251636 is a wasteful number, since it uses less digits than its factorization.

10681251636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80918591 (or 80918589 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 10681251636 in words is "ten billion, six hundred eighty-one million, two hundred fifty-one thousand, six hundred thirty-six".