164041289128 has 32 divisors (see below), whose sum is σ = 321066720000. Its totient is φ = 78482954880.

The previous prime is 164041289123. The next prime is 164041289129. The reversal of 164041289128 is 821982140461.

164041289128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164041289123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693978 + ... + 3738121.

It is an arithmetic number, because the mean of its divisors is an integer number (10033335000).

Almost surely, 2^164041289128 is an apocalyptic number.

It is an amenable number.

164041289128 is a deficient number, since it is larger than the sum of its proper divisors (157025430872).

164041289128 is a wasteful number, since it uses less digits than its factorization.

164041289128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432225 (or 7432221 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 164041289128 in words is "one hundred sixty-four billion, forty-one million, two hundred eighty-nine thousand, one hundred twenty-eight".