166166161106 has 16 divisors (see below), whose sum is σ = 271915580448. Its totient is φ = 75528040800.

The previous prime is 166166161097. The next prime is 166166161121. The reversal of 166166161106 is 601161661661.

It is a super-2 number, since 2×166166161106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 999821 + ... + 1154111.

It is an arithmetic number, because the mean of its divisors is an integer number (16994723778).

Almost surely, 2^166166161106 is an apocalyptic number.

166166161106 is a deficient number, since it is larger than the sum of its proper divisors (105749419342).

166166161106 is a wasteful number, since it uses less digits than its factorization.

166166161106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203257.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 166166161106 in words is "one hundred sixty-six billion, one hundred sixty-six million, one hundred sixty-one thousand, one hundred six".