164128890129 has 8 divisors (see below), whose sum is σ = 226384676160. Its totient is φ = 105646182096.

The previous prime is 164128890091. The next prime is 164128890173. The reversal of 164128890129 is 921098821461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164128890129 - 2¹⁶ = 164128824593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164128890329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943269397 + ... + 943269570.

It is an arithmetic number, because the mean of its divisors is an integer number (28298084520).

Almost surely, 2^164128890129 is an apocalyptic number.

It is an amenable number.

164128890129 is a deficient number, since it is larger than the sum of its proper divisors (62255786031).

164128890129 is a wasteful number, since it uses less digits than its factorization.

164128890129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886538999.

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 164128890129 in words is "one hundred sixty-four billion, one hundred twenty-eight million, eight hundred ninety thousand, one hundred twenty-nine".