164056622136 has 64 divisors (see below), whose sum is σ = 448018750080. Its totient is φ = 49648394880.

The previous prime is 164056622077. The next prime is 164056622141. The reversal of 164056622136 is 631226650461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210606 + ... + 610301.

It is an arithmetic number, because the mean of its divisors is an integer number (7000292970).

Almost surely, 2^164056622136 is an apocalyptic number.

It is an amenable number.

164056622136 is an abundant number, since it is smaller than the sum of its proper divisors (283962127944).

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

164056622136 is a wasteful number, since it uses less digits than its factorization.

164056622136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821684 (or 821680 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 164056622136 in words is "one hundred sixty-four billion, fifty-six million, six hundred twenty-two thousand, one hundred thirty-six".