166673142 has 12 divisors (see below), whose sum is σ = 361125180. Its totient is φ = 55557708.

The previous prime is 166673131. The next prime is 166673147. The reversal of 166673142 is 241376661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 166673097 and 166673106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166673147) 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 5 ways as a sum of consecutive naturals, for example, 4629792 + ... + 4629827.

It is an arithmetic number, because the mean of its divisors is an integer number (30093765).

Almost surely, 2^166673142 is an apocalyptic number.

166673142 is an abundant number, since it is smaller than the sum of its proper divisors (194452038).

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

166673142 is a wasteful number, since it uses less digits than its factorization.

166673142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259627 (or 9259624 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 166673142 is about 12910.1952735038. The cubic root of 166673142 is about 550.3283350833.

The spelling of 166673142 in words is "one hundred sixty-six million, six hundred seventy-three thousand, one hundred forty-two".