105655013666 has 8 divisors (see below), whose sum is σ = 158484496320. Its totient is φ = 52826848228.

The previous prime is 105655013537. The next prime is 105655013689. The reversal of 105655013666 is 666310556501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105655013666² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95606 + ... + 469521.

It is an arithmetic number, because the mean of its divisors is an integer number (19810562040).

Almost surely, 2^105655013666 is an apocalyptic number.

105655013666 is a deficient number, since it is larger than the sum of its proper divisors (52829482654).

105655013666 is an equidigital number, since it uses as much as digits as its factorization.

105655013666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658608.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 105655013666 in words is "one hundred five billion, six hundred fifty-five million, thirteen thousand, six hundred sixty-six".