106581775584026 has 32 divisors (see below), whose sum is σ = 164562135004560. Its totient is φ = 51734318976000.

The previous prime is 106581775583977. The next prime is 106581775584083. The reversal of 106581775584026 is 620485577185601.

It is a Cunningham number, because it is equal to 10323845²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 14222967682225 + 92358807901801 = 3771335^2 + 9610349^2 .

It is a super-2 number, since 2×106581775584026² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62165936 + ... + 63857396.

Almost surely, 2^{106581775584026} is an apocalyptic number.

106581775584026 is a deficient number, since it is larger than the sum of its proper divisors (57980359420534).

106581775584026 is a wasteful number, since it uses less digits than its factorization.

106581775584026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693410.

The product of its (nonzero) digits is 112896000, while the sum is 65.

The spelling of 106581775584026 in words is "one hundred six trillion, five hundred eighty-one billion, seven hundred seventy-five million, five hundred eighty-four thousand, twenty-six".