164259559503 has 16 divisors (see below), whose sum is σ = 262066534240. Its totient is φ = 101082805632.

The previous prime is 164259559501. The next prime is 164259559507. The reversal of 164259559503 is 305955952461.

164259559503 is a `hidden beast` number, since 1 + 6 + 42 + 5 + 9 + 5 + 595 + 0 + 3 = 666.

It is not a de Polignac number, because 164259559503 - 2¹ = 164259559501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164259559503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164259559501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233987626 + ... + 233988327.

It is an arithmetic number, because the mean of its divisors is an integer number (16379158390).

Almost surely, 2^164259559503 is an apocalyptic number.

164259559503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164259559503 is a deficient number, since it is larger than the sum of its proper divisors (97806974737).

164259559503 is a wasteful number, since it uses less digits than its factorization.

164259559503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467975975 (or 467975969 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The spelling of 164259559503 in words is "one hundred sixty-four billion, two hundred fifty-nine million, five hundred fifty-nine thousand, five hundred three".