10686661258 has 96 divisors (see below), whose sum is σ = 21186164736. Its totient is φ = 3948969024.

The previous prime is 10686661243. The next prime is 10686661303. The reversal of 10686661258 is 85216668601.

10686661258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10686661258² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2337691 + ... + 2342257.

It is an arithmetic number, because the mean of its divisors is an integer number (220689216).

Almost surely, 2^10686661258 is an apocalyptic number.

10686661258 is a deficient number, since it is larger than the sum of its proper divisors (10499503478).

10686661258 is a wasteful number, since it uses less digits than its factorization.

10686661258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 10686661258 in words is "ten billion, six hundred eighty-six million, six hundred sixty-one thousand, two hundred fifty-eight".