105666126645 has 8 divisors (see below), whose sum is σ = 169065802656. Its totient is φ = 56355267536.

The previous prime is 105666126611. The next prime is 105666126677. The reversal of 105666126645 is 546621666501.

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

It is a cyclic number.

It is not a de Polignac number, because 105666126645 - 2⁶ = 105666126581 is a prime.

It is a super-2 number, since 2×105666126645² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105666126594 and 105666126603.

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, 3522204207 + ... + 3522204236.

It is an arithmetic number, because the mean of its divisors is an integer number (21133225332).

Almost surely, 2^105666126645 is an apocalyptic number.

105666126645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105666126645 is a deficient number, since it is larger than the sum of its proper divisors (63399676011).

105666126645 is an equidigital number, since it uses as much as digits as its factorization.

105666126645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044408451.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 105666126645 in words is "one hundred five billion, six hundred sixty-six million, one hundred twenty-six thousand, six hundred forty-five".