670354166 has 8 divisors (see below), whose sum is σ = 1064680200. Its totient is φ = 315460768.

The previous prime is 670354163. The next prime is 670354171. The reversal of 670354166 is 661453076.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670354163) 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 3 ways as a sum of consecutive naturals, for example, 9858116 + ... + 9858183.

It is an arithmetic number, because the mean of its divisors is an integer number (133085025).

Almost surely, 2^670354166 is an apocalyptic number.

670354166 is a deficient number, since it is larger than the sum of its proper divisors (394326034).

670354166 is a wasteful number, since it uses less digits than its factorization.

670354166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19716318.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 670354166 is about 25891.1986203806. The cubic root of 670354166 is about 875.1881678583.

The spelling of 670354166 in words is "six hundred seventy million, three hundred fifty-four thousand, one hundred sixty-six".