666104342 has 8 divisors (see below), whose sum is σ = 1004178000. Its totient is φ = 331378344.

The previous prime is 666104339. The next prime is 666104359. The reversal of 666104342 is 243401666.

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

It is a junction number, because it is equal to n+sod(n) for n = 666104299 and 666104308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836417 + ... + 837212.

It is an arithmetic number, because the mean of its divisors is an integer number (125522250).

Almost surely, 2^666104342 is an apocalyptic number.

666104342 is a deficient number, since it is larger than the sum of its proper divisors (338073658).

666104342 is a wasteful number, since it uses less digits than its factorization.

666104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673830.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 666104342 is about 25808.9973071408. The cubic root of 666104342 is about 873.3347777236.

The spelling of 666104342 in words is "six hundred sixty-six million, one hundred four thousand, three hundred forty-two".