164333975454 has 24 divisors (see below), whose sum is σ = 388425760632. Its totient is φ = 49798174320.

The previous prime is 164333975441. The next prime is 164333975479. The reversal of 164333975454 is 454579333461.

164333975454 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 3 + 3 + 97 + 545 + 4 = 666.

164333975454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164333975454³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 164333975454.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 414984589 + ... + 414984984.

It is an arithmetic number, because the mean of its divisors is an integer number (16184406693).

Almost surely, 2^164333975454 is an apocalyptic number.

164333975454 is an abundant number, since it is smaller than the sum of its proper divisors (224091785178).

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

164333975454 is a wasteful number, since it uses less digits than its factorization.

164333975454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829969592 (or 829969589 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 164333975454 in words is "one hundred sixty-four billion, three hundred thirty-three million, nine hundred seventy-five thousand, four hundred fifty-four".