164205215140229 has 8 divisors (see below), whose sum is σ = 167722897027968. Its totient is φ = 160688531332000.

The previous prime is 164205215140217. The next prime is 164205215140259. The reversal of 164205215140229 is 922041512502461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164205215140229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164205215140229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164205215140259) 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, 249187307 + ... + 249845400.

It is an arithmetic number, because the mean of its divisors is an integer number (20965362128496).

Almost surely, 2^{164205215140229} is an apocalyptic number.

It is an amenable number.

164205215140229 is a deficient number, since it is larger than the sum of its proper divisors (3517681887739).

164205215140229 is an equidigital number, since it uses as much as digits as its factorization.

164205215140229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499039755.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 164205215140229 in words is "one hundred sixty-four trillion, two hundred five billion, two hundred fifteen million, one hundred forty thousand, two hundred twenty-nine".