166670591484 has 12 divisors (see below), whose sum is σ = 388898046824. Its totient is φ = 55556863824.

The previous prime is 166670591471. The next prime is 166670591569. The reversal of 166670591484 is 484195076661.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6944607967 + ... + 6944607990.

Almost surely, 2^166670591484 is an apocalyptic number.

It is an amenable number.

166670591484 is an abundant number, since it is smaller than the sum of its proper divisors (222227455340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166670591484 is a wasteful number, since it uses less digits than its factorization.

166670591484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889215964 (or 13889215962 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 166670591484 in words is "one hundred sixty-six billion, six hundred seventy million, five hundred ninety-one thousand, four hundred eighty-four".