164309364727 has 8 divisors (see below), whose sum is σ = 170003193840. Its totient is φ = 158617401600.

The previous prime is 164309364679. The next prime is 164309364743. The reversal of 164309364727 is 727463903461.

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 164309364727 - 2¹⁹ = 164308840439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164309364127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286149 + ... + 640702.

It is an arithmetic number, because the mean of its divisors is an integer number (21250399230).

Almost surely, 2^164309364727 is an apocalyptic number.

164309364727 is a deficient number, since it is larger than the sum of its proper divisors (5693829113).

164309364727 is an equidigital number, since it uses as much as digits as its factorization.

164309364727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932993.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 164309364727 in words is "one hundred sixty-four billion, three hundred nine million, three hundred sixty-four thousand, seven hundred twenty-seven".