1673792166 has 8 divisors (see below), whose sum is σ = 3347584344. Its totient is φ = 557930720.

The previous prime is 1673792149. The next prime is 1673792173. The reversal of 1673792166 is 6612973761.

It is a happy number.

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

1673792166 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 139482675 + ... + 139482686.

It is an arithmetic number, because the mean of its divisors is an integer number (418448043).

Almost surely, 2^1673792166 is an apocalyptic number.

1673792166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1673792166 is a wasteful number, since it uses less digits than its factorization.

1673792166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278965366.

The product of its digits is 571536, while the sum is 48.

The square root of 1673792166 is about 40912.0051574107. The cubic root of 1673792166 is about 1187.3183420147.

The spelling of 1673792166 in words is "one billion, six hundred seventy-three million, seven hundred ninety-two thousand, one hundred sixty-six".