166670016867 has 12 divisors (see below), whose sum is σ = 248511566784. Its totient is φ = 107529042960.

The previous prime is 166670016817. The next prime is 166670016911. The reversal of 166670016867 is 768610076661.

166670016867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166670016867 - 2²² = 166665822563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166670016817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298691508 + ... + 298692065.

It is an arithmetic number, because the mean of its divisors is an integer number (20709297232).

Almost surely, 2^166670016867 is an apocalyptic number.

166670016867 is a deficient number, since it is larger than the sum of its proper divisors (81841549917).

166670016867 is a wasteful number, since it uses less digits than its factorization.

166670016867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597383610 (or 597383607 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 166670016867 in words is "one hundred sixty-six billion, six hundred seventy million, sixteen thousand, eight hundred sixty-seven".