166467983 has 8 divisors (see below), whose sum is σ = 182274816. Its totient is φ = 150773400.

The previous prime is 166467971. The next prime is 166467991. The reversal of 166467983 is 389764661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166467983 - 2⁶ = 166467919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166467943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24941 + ... + 30902.

It is an arithmetic number, because the mean of its divisors is an integer number (22784352).

Almost surely, 2^166467983 is an apocalyptic number.

166467983 is a deficient number, since it is larger than the sum of its proper divisors (15806833).

166467983 is a wasteful number, since it uses less digits than its factorization.

166467983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56125.

The product of its digits is 1306368, while the sum is 50.

The square root of 166467983 is about 12902.2472073666. The cubic root of 166467983 is about 550.1024415244.

The spelling of 166467983 in words is "one hundred sixty-six million, four hundred sixty-seven thousand, nine hundred eighty-three".