673223166 has 48 divisors (see below), whose sum is σ = 1818580608. Its totient is φ = 174862800.

The previous prime is 673223149. The next prime is 673223189. The reversal of 673223166 is 661322376.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 673223166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241480 + ... + 244251.

It is an arithmetic number, because the mean of its divisors is an integer number (37887096).

Almost surely, 2^673223166 is an apocalyptic number.

673223166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

673223166 is an abundant number, since it is smaller than the sum of its proper divisors (1145357442).

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

673223166 is a wasteful number, since it uses less digits than its factorization.

673223166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485757 (or 485754 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 673223166 is about 25946.5443941963. The cubic root of 673223166 is about 876.4349422649.

The spelling of 673223166 in words is "six hundred seventy-three million, two hundred twenty-three thousand, one hundred sixty-six".