166834491028 has 12 divisors (see below), whose sum is σ = 292051991392. Its totient is φ = 83391064920.

The previous prime is 166834491017. The next prime is 166834491067. The reversal of 166834491028 is 820194438661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6530808 + ... + 6556303.

Almost surely, 2^166834491028 is an apocalyptic number.

It is an amenable number.

166834491028 is a deficient number, since it is larger than the sum of its proper divisors (125217500364).

166834491028 is a wasteful number, since it uses less digits than its factorization.

166834491028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090302 (or 13090300 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 166834491028 in words is "one hundred sixty-six billion, eight hundred thirty-four million, four hundred ninety-one thousand, twenty-eight".