164236560416423 has 4 divisors (see below), whose sum is σ = 179167156817928. Its totient is φ = 149305964014920.

The previous prime is 164236560416413. The next prime is 164236560416429. The reversal of 164236560416423 is 324614065632461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164236560416423 - 2¹⁸ = 164236560154279 is a prime.

It is a super-2 number, since 2×164236560416423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164236560416429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7465298200736 + ... + 7465298200757.

It is an arithmetic number, because the mean of its divisors is an integer number (44791789204482).

Almost surely, 2^{164236560416423} is an apocalyptic number.

164236560416423 is a deficient number, since it is larger than the sum of its proper divisors (14930596401505).

164236560416423 is a wasteful number, since it uses less digits than its factorization.

164236560416423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930596401504.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 164236560416423 in words is "one hundred sixty-four trillion, two hundred thirty-six billion, five hundred sixty million, four hundred sixteen thousand, four hundred twenty-three".