164129889 has 16 divisors (see below), whose sum is σ = 272839680. Its totient is φ = 85262160.

The previous prime is 164129887. The next prime is 164129893. The reversal of 164129889 is 988921461.

It is not a de Polignac number, because 164129889 - 2¹ = 164129887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164129887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355029 + ... + 355490.

It is an arithmetic number, because the mean of its divisors is an integer number (17052480).

Almost surely, 2^164129889 is an apocalyptic number.

It is an amenable number.

164129889 is a deficient number, since it is larger than the sum of its proper divisors (108709791).

164129889 is a wasteful number, since it uses less digits than its factorization.

164129889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710540.

The product of its digits is 248832, while the sum is 48.

The square root of 164129889 is about 12811.3187845748. The cubic root of 164129889 is about 547.5148362361.

The spelling of 164129889 in words is "one hundred sixty-four million, one hundred twenty-nine thousand, eight hundred eighty-nine".