164406632023235 has 64 divisors (see below), whose sum is σ = 236239498321920. Its totient is φ = 107461680860160.

The previous prime is 164406632023189. The next prime is 164406632023237. The reversal of 164406632023235 is 532320236604461.

It is not a de Polignac number, because 164406632023235 - 2¹⁶ = 164406631957699 is a prime.

It is a super-3 number, since 3×164406632023235³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164406632023235.

It is not an unprimeable number, because it can be changed into a prime (164406632023237) 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 63 ways as a sum of consecutive naturals, for example, 896164937 + ... + 896348373.

It is an arithmetic number, because the mean of its divisors is an integer number (3691242161280).

Almost surely, 2^{164406632023235} is an apocalyptic number.

164406632023235 is a deficient number, since it is larger than the sum of its proper divisors (71832866298685).

164406632023235 is a wasteful number, since it uses less digits than its factorization.

164406632023235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195876.

The product of its (nonzero) digits is 3732480, while the sum is 47.

Adding to 164406632023235 its reverse (532320236604461), we get a palindrome (696726868627696).

The spelling of 164406632023235 in words is "one hundred sixty-four trillion, four hundred six billion, six hundred thirty-two million, twenty-three thousand, two hundred thirty-five".