164240314425 has 144 divisors (see below), whose sum is σ = 344997918720. Its totient is φ = 73834416000.

The previous prime is 164240314423. The next prime is 164240314457. The reversal of 164240314425 is 524413042461.

164240314425 is a `hidden beast` number, since 1 + 64 + 240 + 314 + 42 + 5 = 666.

164240314425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164240314425 - 2¹ = 164240314423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164240314425.

It is not an unprimeable number, because it can be changed into a prime (164240314423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2173020 + ... + 2247330.

It is an arithmetic number, because the mean of its divisors is an integer number (2395818880).

Almost surely, 2^164240314425 is an apocalyptic number.

164240314425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164240314425 is an abundant number, since it is smaller than the sum of its proper divisors (180757604295).

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

164240314425 is a wasteful number, since it uses less digits than its factorization.

164240314425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74404 (or 74396 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 164240314425 its reverse (524413042461), we get a palindrome (688653356886).

The spelling of 164240314425 in words is "one hundred sixty-four billion, two hundred forty million, three hundred fourteen thousand, four hundred twenty-five".