164516125254 has 32 divisors (see below), whose sum is σ = 355292466144. Its totient is φ = 50484625920.

The previous prime is 164516125219. The next prime is 164516125259. The reversal of 164516125254 is 452521615461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164516125259) 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, 2798227 + ... + 2856414.

It is an arithmetic number, because the mean of its divisors is an integer number (11102889567).

Almost surely, 2^164516125254 is an apocalyptic number.

164516125254 is an abundant number, since it is smaller than the sum of its proper divisors (190776340890).

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

164516125254 is a wasteful number, since it uses less digits than its factorization.

164516125254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655032.

The product of its digits is 288000, while the sum is 42.

The spelling of 164516125254 in words is "one hundred sixty-four billion, five hundred sixteen million, one hundred twenty-five thousand, two hundred fifty-four".