166560171422066 has 8 divisors (see below), whose sum is σ = 249841756024560. Its totient is φ = 83279586080548.

The previous prime is 166560171421979. The next prime is 166560171422119. The reversal of 166560171422066 is 660224171065661.

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

It is a super-2 number, since 2×166560171422066² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166560171421999 and 166560171422017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249398396 + ... + 250065351.

It is an arithmetic number, because the mean of its divisors is an integer number (31230219503070).

Almost surely, 2^{166560171422066} is an apocalyptic number.

166560171422066 is a deficient number, since it is larger than the sum of its proper divisors (83281584602494).

166560171422066 is a wasteful number, since it uses less digits than its factorization.

166560171422066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499630488.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 166560171422066 in words is "one hundred sixty-six trillion, five hundred sixty billion, one hundred seventy-one million, four hundred twenty-two thousand, sixty-six".