164036665436264 has 32 divisors (see below), whose sum is σ = 308335050765000. Its totient is φ = 81814081585152.

The previous prime is 164036665436261. The next prime is 164036665436297. The reversal of 164036665436264 is 462634566630461.

It can be written as a sum of positive squares in 4 ways, for example, as 64113810552100 + 99922854884164 = 8007110^2 + 9996142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164036665436197 and 164036665436206.

It is not an unprimeable number, because it can be changed into a prime (164036665436261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7604522 + ... + 19644390.

Almost surely, 2^{164036665436264} is an apocalyptic number.

It is an amenable number.

164036665436264 is a deficient number, since it is larger than the sum of its proper divisors (144298385328736).

164036665436264 is a wasteful number, since it uses less digits than its factorization.

164036665436264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044117 (or 12044113 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 62.

The spelling of 164036665436264 in words is "one hundred sixty-four trillion, thirty-six billion, six hundred sixty-five million, four hundred thirty-six thousand, two hundred sixty-four".