164317553 has 4 divisors (see below), whose sum is σ = 165611520. Its totient is φ = 163023588.

The previous prime is 164317547. The next prime is 164317561. The reversal of 164317553 is 355713461.

164317553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164317553 - 2²⁰ = 163268977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164317513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646793 + ... + 647046.

It is an arithmetic number, because the mean of its divisors is an integer number (41402880).

Almost surely, 2^164317553 is an apocalyptic number.

It is an amenable number.

164317553 is a deficient number, since it is larger than the sum of its proper divisors (1293967).

164317553 is a wasteful number, since it uses less digits than its factorization.

164317553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293966.

The product of its digits is 37800, while the sum is 35.

The square root of 164317553 is about 12818.6408405884. The cubic root of 164317553 is about 547.7234305576.

The spelling of 164317553 in words is "one hundred sixty-four million, three hundred seventeen thousand, five hundred fifty-three".