164404503114523 has 8 divisors (see below), whose sum is σ = 189242593514240. Its totient is φ = 139904345917800.

The previous prime is 164404503114473. The next prime is 164404503114529. The reversal of 164404503114523 is 325411305404461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164404503114523 - 2¹⁷ = 164404502983451 is a prime.

It is a super-3 number, since 3×164404503114523³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164404503114523.

It is not an unprimeable number, because it can be changed into a prime (164404503114529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84483299703 + ... + 84483301648.

It is an arithmetic number, because the mean of its divisors is an integer number (23655324189280).

Almost surely, 2^{164404503114523} is an apocalyptic number.

164404503114523 is a deficient number, since it is larger than the sum of its proper divisors (24838090399717).

164404503114523 is a wasteful number, since it uses less digits than its factorization.

164404503114523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168966601497.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 164404503114523 its reverse (325411305404461), we get a palindrome (489815808518984).

The spelling of 164404503114523 in words is "one hundred sixty-four trillion, four hundred four billion, five hundred three million, one hundred fourteen thousand, five hundred twenty-three".