164235000446543 has 32 divisors (see below), whose sum is σ = 186434094450240. Its totient is φ = 143600953466880.

The previous prime is 164235000446533. The next prime is 164235000446551. The reversal of 164235000446543 is 345644000532461.

It is not a de Polignac number, because 164235000446543 - 2⁸ = 164235000446287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164235000446513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261857480 + ... + 262483922.

It is an arithmetic number, because the mean of its divisors is an integer number (5826065451570).

Almost surely, 2^{164235000446543} is an apocalyptic number.

164235000446543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164235000446543 is a deficient number, since it is larger than the sum of its proper divisors (22199094003697).

164235000446543 is a wasteful number, since it uses less digits than its factorization.

164235000446543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639659.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 164235000446543 in words is "one hundred sixty-four trillion, two hundred thirty-five billion, four hundred forty-six thousand, five hundred forty-three".