164670814 has 16 divisors (see below), whose sum is σ = 307956096. Its totient is φ = 64157400.

The previous prime is 164670811. The next prime is 164670859. The reversal of 164670814 is 418076461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164670811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534492 + ... + 534799.

It is an arithmetic number, because the mean of its divisors is an integer number (19247256).

Almost surely, 2^164670814 is an apocalyptic number.

164670814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164670814 is a deficient number, since it is larger than the sum of its proper divisors (143285282).

164670814 is a wasteful number, since it uses less digits than its factorization.

164670814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069311.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 164670814 is about 12832.4126336399. The cubic root of 164670814 is about 548.1156605818.

The spelling of 164670814 in words is "one hundred sixty-four million, six hundred seventy thousand, eight hundred fourteen".