164255555541 has 32 divisors (see below), whose sum is σ = 287419161600. Its totient is φ = 80836634880.

The previous prime is 164255555521. The next prime is 164255555573. The reversal of 164255555541 is 145555552461.

It is not a de Polignac number, because 164255555541 - 2⁵ = 164255555509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164255555521) 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 31 ways as a sum of consecutive naturals, for example, 18707796 + ... + 18716573.

It is an arithmetic number, because the mean of its divisors is an integer number (8981848800).

Almost surely, 2^164255555541 is an apocalyptic number.

164255555541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164255555541 is a deficient number, since it is larger than the sum of its proper divisors (123163606059).

164255555541 is a wasteful number, since it uses less digits than its factorization.

164255555541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37424409.

The product of its digits is 3000000, while the sum is 48.

The spelling of 164255555541 in words is "one hundred sixty-four billion, two hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-one".