164242363554405 has 64 divisors (see below), whose sum is σ = 299256800451840. Its totient is φ = 85416939417600.

The previous prime is 164242363554403. The next prime is 164242363554439. The reversal of 164242363554405 is 504455363242461.

164242363554405 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 4 + 23 + 63 + 554 + 4 + 0 + 5 = 666.

164242363554405 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 164242363554405 - 2¹ = 164242363554403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164242363554403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3753109 + ... + 18508661.

It is an arithmetic number, because the mean of its divisors is an integer number (4675887507060).

Almost surely, 2^{164242363554405} is an apocalyptic number.

164242363554405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164242363554405 is a deficient number, since it is larger than the sum of its proper divisors (135014436897435).

164242363554405 is a wasteful number, since it uses less digits than its factorization.

164242363554405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757619 (or 14757613 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 54.

The spelling of 164242363554405 in words is "one hundred sixty-four trillion, two hundred forty-two billion, three hundred sixty-three million, five hundred fifty-four thousand, four hundred five".