166066271122 has 8 divisors (see below), whose sum is σ = 249190626672. Its totient is φ = 83002728900.

The previous prime is 166066271117. The next prime is 166066271123. The reversal of 166066271122 is 221172660661.

It is a happy number.

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

It is a super-2 number, since 2×166066271122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166066271123) by changing a digit.

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, 15196504 + ... + 15207427.

It is an arithmetic number, because the mean of its divisors is an integer number (31148828334).

Almost surely, 2^166066271122 is an apocalyptic number.

166066271122 is a deficient number, since it is larger than the sum of its proper divisors (83124355550).

166066271122 is a wasteful number, since it uses less digits than its factorization.

166066271122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30406664.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 166066271122 in words is "one hundred sixty-six billion, sixty-six million, two hundred seventy-one thousand, one hundred twenty-two".