164415569922 has 54 divisors (see below), whose sum is σ = 368215270371. Its totient is φ = 53020077480.

The previous prime is 164415569849. The next prime is 164415569933. The reversal of 164415569922 is 229965514461.

It is a happy number.

164415569922 is a `hidden beast` number, since 1 + 6 + 44 + 15 + 569 + 9 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82207784961 + 82207784961 = 286719^2 + 286719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=286719.

It is a super-3 number, since 3×164415569922³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53328193 + ... + 53331275.

Almost surely, 2^164415569922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164415569922

164415569922 is an abundant number, since it is smaller than the sum of its proper divisors (203799700449).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164415569922 is an frugal number, since it uses more digits than its factorization.

164415569922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236 (or 3119 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 164415569922 in words is "one hundred sixty-four billion, four hundred fifteen million, five hundred sixty-nine thousand, nine hundred twenty-two".