164320653 has 16 divisors (see below), whose sum is σ = 250680960. Its totient is φ = 93789696.

The previous prime is 164320643. The next prime is 164320693. The reversal of 164320653 is 356023461.

It is not a de Polignac number, because 164320653 - 2⁵ = 164320621 is a prime.

It is a super-3 number, since 3×164320653³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164320653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164320613) 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, 16513 + ... + 24521.

It is an arithmetic number, because the mean of its divisors is an integer number (15667560).

Almost surely, 2^164320653 is an apocalyptic number.

It is an amenable number.

164320653 is a deficient number, since it is larger than the sum of its proper divisors (86360307).

164320653 is an equidigital number, since it uses as much as digits as its factorization.

164320653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 164320653 is about 12818.7617576738. The cubic root of 164320653 is about 547.7268749694.

The spelling of 164320653 in words is "one hundred sixty-four million, three hundred twenty thousand, six hundred fifty-three".