106166606506 has 8 divisors (see below), whose sum is σ = 160891661700. Its totient is φ = 52536052608.

The previous prime is 106166606479. The next prime is 106166606521. The reversal of 106166606506 is 605606661601.

It can be written as a sum of positive squares in 2 ways, for example, as 95270378281 + 10896228225 = 308659^2 + 104385^2 .

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

It is a super-2 number, since 2×106166606506² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 273625081 + ... + 273625468.

Almost surely, 2^106166606506 is an apocalyptic number.

106166606506 is a deficient number, since it is larger than the sum of its proper divisors (54725055194).

106166606506 is an equidigital number, since it uses as much as digits as its factorization.

106166606506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547250648.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 106166606506 in words is "one hundred six billion, one hundred sixty-six million, six hundred six thousand, five hundred six".