164305670 has 8 divisors (see below), whose sum is σ = 295750224. Its totient is φ = 65722264.

The previous prime is 164305651. The next prime is 164305693. The reversal of 164305670 is 76503461.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8215274 + ... + 8215293.

It is an arithmetic number, because the mean of its divisors is an integer number (36968778).

Almost surely, 2^164305670 is an apocalyptic number.

164305670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164305670 is a deficient number, since it is larger than the sum of its proper divisors (131444554).

164305670 is a wasteful number, since it uses less digits than its factorization.

164305670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430574.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 164305670 is about 12818.1773275298. The cubic root of 164305670 is about 547.7102269481.

The spelling of 164305670 in words is "one hundred sixty-four million, three hundred five thousand, six hundred seventy".