164366634655 has 16 divisors (see below), whose sum is σ = 206391631104. Its totient is φ = 125508407040.

The previous prime is 164366634631. The next prime is 164366634689. The reversal of 164366634655 is 556436663461.

164366634655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164366634655 - 2⁷ = 164366634527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164366634596 and 164366634605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7251904 + ... + 7274533.

It is an arithmetic number, because the mean of its divisors is an integer number (12899476944).

Almost surely, 2^164366634655 is an apocalyptic number.

164366634655 is a deficient number, since it is larger than the sum of its proper divisors (42024996449).

164366634655 is a wasteful number, since it uses less digits than its factorization.

164366634655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526546.

The product of its digits is 27993600, while the sum is 55.

The spelling of 164366634655 in words is "one hundred sixty-four billion, three hundred sixty-six million, six hundred thirty-four thousand, six hundred fifty-five".