164210065 has 8 divisors (see below), whose sum is σ = 207423360. Its totient is φ = 124453872.

The previous prime is 164210063. The next prime is 164210071. The reversal of 164210065 is 560012461.

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

It is a cyclic number.

It is not a de Polignac number, because 164210065 - 2¹ = 164210063 is a prime.

It is a super-3 number, since 3×164210065³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164210063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 864169 + ... + 864358.

It is an arithmetic number, because the mean of its divisors is an integer number (25927920).

Almost surely, 2^164210065 is an apocalyptic number.

It is an amenable number.

164210065 is a deficient number, since it is larger than the sum of its proper divisors (43213295).

164210065 is a wasteful number, since it uses less digits than its factorization.

164210065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728551.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164210065 is about 12814.4475105250. The cubic root of 164210065 is about 547.6039737760.

The spelling of 164210065 in words is "one hundred sixty-four million, two hundred ten thousand, sixty-five".