164254128 has 40 divisors (see below), whose sum is σ = 429102000. Its totient is φ = 54134784.

The previous prime is 164254127. The next prime is 164254133. The reversal of 164254128 is 821452461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164254121) 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, 14953 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (10727550).

Almost surely, 2^164254128 is an apocalyptic number.

It is an amenable number.

164254128 is an abundant number, since it is smaller than the sum of its proper divisors (264847872).

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

164254128 is a wasteful number, since it uses less digits than its factorization.

164254128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38549 (or 38543 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 164254128 is about 12816.1666655830. The cubic root of 164254128 is about 547.6529494909.

The spelling of 164254128 in words is "one hundred sixty-four million, two hundred fifty-four thousand, one hundred twenty-eight".