166656227582 has 8 divisors (see below), whose sum is σ = 269213906136. Its totient is φ = 76918258872.

The previous prime is 166656227567. The next prime is 166656227593. The reversal of 166656227582 is 285722656661.

It is a happy number.

166656227582 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 3204927428 + ... + 3204927479.

It is an arithmetic number, because the mean of its divisors is an integer number (33651738267).

Almost surely, 2^166656227582 is an apocalyptic number.

166656227582 is a deficient number, since it is larger than the sum of its proper divisors (102557678554).

166656227582 is a wasteful number, since it uses less digits than its factorization.

166656227582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409854922.

The product of its digits is 14515200, while the sum is 56.

The spelling of 166656227582 in words is "one hundred sixty-six billion, six hundred fifty-six million, two hundred twenty-seven thousand, five hundred eighty-two".