670555318 has 8 divisors (see below), whose sum is σ = 1018565280. Its totient is φ = 331033560.

The previous prime is 670555309. The next prime is 670555343. The reversal of 670555318 is 813555076.

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

It is a super-2 number, since 2×670555318² = 899288868996162248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121853 + ... + 2122168.

It is an arithmetic number, because the mean of its divisors is an integer number (127320660).

Almost surely, 2^670555318 is an apocalyptic number.

670555318 is a deficient number, since it is larger than the sum of its proper divisors (348009962).

670555318 is a wasteful number, since it uses less digits than its factorization.

670555318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244102.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 670555318 is about 25895.0828923176. The cubic root of 670555318 is about 875.2756978306.

The spelling of 670555318 in words is "six hundred seventy million, five hundred fifty-five thousand, three hundred eighteen".