164853670 has 16 divisors (see below), whose sum is σ = 301767120. Its totient is φ = 64823584.

The previous prime is 164853653. The next prime is 164853679. The reversal of 164853670 is 76358461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164853679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139117 + ... + 140296.

It is an arithmetic number, because the mean of its divisors is an integer number (18860445).

Almost surely, 2^164853670 is an apocalyptic number.

164853670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164853670 is a deficient number, since it is larger than the sum of its proper divisors (136913450).

164853670 is a wasteful number, since it uses less digits than its factorization.

164853670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279479.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 164853670 is about 12839.5354277326. The cubic root of 164853670 is about 548.3184675425.

The spelling of 164853670 in words is "one hundred sixty-four million, eight hundred fifty-three thousand, six hundred seventy".