166206603106 has 8 divisors (see below), whose sum is σ = 257352159744. Its totient is φ = 80422549860.

The previous prime is 166206603091. The next prime is 166206603109. The reversal of 166206603106 is 601306602661.

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

It is not an unprimeable number, because it can be changed into a prime (166206603109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340375770 + ... + 1340375893.

It is an arithmetic number, because the mean of its divisors is an integer number (32169019968).

Almost surely, 2^166206603106 is an apocalyptic number.

166206603106 is a deficient number, since it is larger than the sum of its proper divisors (91145556638).

166206603106 is a wasteful number, since it uses less digits than its factorization.

166206603106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680751696.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 166206603106 in words is "one hundred sixty-six billion, two hundred six million, six hundred three thousand, one hundred six".