166835185004 has 48 divisors (see below), whose sum is σ = 311108636160. Its totient is φ = 78010583040.

The previous prime is 166835184979. The next prime is 166835185039. The reversal of 166835185004 is 400581538661.

166835185004 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166835185004.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12162902 + ... + 12176610.

It is an arithmetic number, because the mean of its divisors is an integer number (6481429920).

Almost surely, 2^166835185004 is an apocalyptic number.

It is an amenable number.

166835185004 is a deficient number, since it is larger than the sum of its proper divisors (144273451156).

166835185004 is a wasteful number, since it uses less digits than its factorization.

166835185004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14858 (or 14856 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 166835185004 in words is "one hundred sixty-six billion, eight hundred thirty-five million, one hundred eighty-five thousand, four".