1669673373 has 8 divisors (see below), whose sum is σ = 2229612000. Its totient is φ = 1111425168.

The previous prime is 1669673353. The next prime is 1669673399. The reversal of 1669673373 is 3733769661.

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

It is not a de Polignac number, because 1669673373 - 2¹⁸ = 1669411229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669673353) 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, 420298 + ... + 424251.

It is an arithmetic number, because the mean of its divisors is an integer number (278701500).

Almost surely, 2^1669673373 is an apocalyptic number.

It is an amenable number.

1669673373 is a deficient number, since it is larger than the sum of its proper divisors (559938627).

1669673373 is an equidigital number, since it uses as much as digits as its factorization.

1669673373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845211.

The product of its digits is 2571912, while the sum is 51.

The square root of 1669673373 is about 40861.6369349051. The cubic root of 1669673373 is about 1186.3436420966.

The spelling of 1669673373 in words is "one billion, six hundred sixty-nine million, six hundred seventy-three thousand, three hundred seventy-three".