666083273 has 8 divisors (see below), whose sum is σ = 717219360. Its totient is φ = 616275520.

The previous prime is 666083269. The next prime is 666083279. The reversal of 666083273 is 372380666.

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 666083273 - 2² = 666083269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666083273.

It is not an unprimeable number, because it can be changed into a prime (666083279) 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 7 ways as a sum of consecutive naturals, for example, 331043 + ... + 333048.

It is an arithmetic number, because the mean of its divisors is an integer number (89652420).

Almost surely, 2^666083273 is an apocalyptic number.

It is an amenable number.

666083273 is a deficient number, since it is larger than the sum of its proper divisors (51136087).

666083273 is a wasteful number, since it uses less digits than its factorization.

666083273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664167.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 666083273 is about 25808.5891323024. The cubic root of 666083273 is about 873.3255697145.

The spelling of 666083273 in words is "six hundred sixty-six million, eighty-three thousand, two hundred seventy-three".