166261106 has 16 divisors (see below), whose sum is σ = 277198848. Its totient is φ = 74146800.

The previous prime is 166261093. The next prime is 166261127. The reversal of 166261106 is 601162661.

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, 70130 + ... + 72461.

It is an arithmetic number, because the mean of its divisors is an integer number (17324928).

Almost surely, 2^166261106 is an apocalyptic number.

166261106 is a deficient number, since it is larger than the sum of its proper divisors (110937742).

166261106 is a wasteful number, since it uses less digits than its factorization.

166261106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142657.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 166261106 is about 12894.2276232429. The cubic root of 166261106 is about 549.8744683206.

The spelling of 166261106 in words is "one hundred sixty-six million, two hundred sixty-one thousand, one hundred six".