670857166 has 8 divisors (see below), whose sum is σ = 1150040880. Its totient is φ = 287510208.

The previous prime is 670857127. The next prime is 670857181. The reversal of 670857166 is 661758076.

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

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, 23959171 + ... + 23959198.

It is an arithmetic number, because the mean of its divisors is an integer number (143755110).

Almost surely, 2^670857166 is an apocalyptic number.

670857166 is a deficient number, since it is larger than the sum of its proper divisors (479183714).

670857166 is a wasteful number, since it uses less digits than its factorization.

670857166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47918378.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 670857166 is about 25900.9105245356. The cubic root of 670857166 is about 875.4070121700.

The spelling of 670857166 in words is "six hundred seventy million, eight hundred fifty-seven thousand, one hundred sixty-six".