105432026506666 has 8 divisors (see below), whose sum is σ = 162005309022564. Its totient is φ = 51430256832480.

The previous prime is 105432026506663. The next prime is 105432026506693. The reversal of 105432026506666 is 666605620234501.

It can be written as a sum of positive squares in 2 ways, for example, as 69093084450625 + 36338942056041 = 8312225^2 + 6028179^2 .

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

It is a super-2 number, since 2×105432026506666² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105432026506663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642878210325 + ... + 642878210488.

Almost surely, 2^{105432026506666} is an apocalyptic number.

105432026506666 is a deficient number, since it is larger than the sum of its proper divisors (56573282515898).

105432026506666 is a wasteful number, since it uses less digits than its factorization.

105432026506666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285756420856.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 105432026506666 in words is "one hundred five trillion, four hundred thirty-two billion, twenty-six million, five hundred six thousand, six hundred sixty-six".