164469893895 has 48 divisors (see below), whose sum is σ = 300273074400. Its totient is φ = 83048613120.

The previous prime is 164469893849. The next prime is 164469893899. The reversal of 164469893895 is 598398964461.

164469893895 is a `hidden beast` number, since 1 + 6 + 4 + 469 + 89 + 3 + 89 + 5 = 666.

164469893895 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 164469893895 - 2¹⁷ = 164469762823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164469893899) 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 47 ways as a sum of consecutive naturals, for example, 1326621 + ... + 1445289.

It is an arithmetic number, because the mean of its divisors is an integer number (6255689050).

Almost surely, 2^164469893895 is an apocalyptic number.

164469893895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164469893895 is a deficient number, since it is larger than the sum of its proper divisors (135803180505).

164469893895 is a wasteful number, since it uses less digits than its factorization.

164469893895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120320 (or 120317 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 164469893895 in words is "one hundred sixty-four billion, four hundred sixty-nine million, eight hundred ninety-three thousand, eight hundred ninety-five".