164165159929 has 9 divisors (see below), whose sum is σ = 164728246917. Its totient is φ = 163603995324.

The previous prime is 164165159897. The next prime is 164165159941. The reversal of 164165159929 is 929951561461.

The square root of 164165159929 is 405173.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 164165159929 - 2⁵ = 164165159897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164165159969) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 169767004 + ... + 169767970.

Almost surely, 2^164165159929 is an apocalyptic number.

164165159929 is the 405173-rd square number.

164165159929 is the 202587-th centered octagonal number.

It is an amenable number.

164165159929 is a deficient number, since it is larger than the sum of its proper divisors (563086988).

164165159929 is an frugal number, since it uses more digits than its factorization.

164165159929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 1386 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 58.

The spelling of 164165159929 in words is "one hundred sixty-four billion, one hundred sixty-five million, one hundred fifty-nine thousand, nine hundred twenty-nine".