164706503 has 8 divisors (see below), whose sum is σ = 183098496. Its totient is φ = 147132000.

The previous prime is 164706481. The next prime is 164706517. The reversal of 164706503 is 305607461.

164706503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164706503 - 2⁸ = 164706247 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 164706503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164706403) 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, 203948 + ... + 204753.

It is an arithmetic number, because the mean of its divisors is an integer number (22887312).

Almost surely, 2^164706503 is an apocalyptic number.

164706503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164706503 is a deficient number, since it is larger than the sum of its proper divisors (18391993).

164706503 is a wasteful number, since it uses less digits than its factorization.

164706503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408745.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 164706503 is about 12833.8031385868. The cubic root of 164706503 is about 548.1552553068.

The spelling of 164706503 in words is "one hundred sixty-four million, seven hundred six thousand, five hundred three".