164620163 has 8 divisors (see below), whose sum is σ = 175183200. Its totient is φ = 154154880.

The previous prime is 164620133. The next prime is 164620189. The reversal of 164620163 is 361026461.

It is a happy number.

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 164620163 - 2¹⁰ = 164619139 is a prime.

It is a super-2 number, since 2×164620163² = 54199596132293138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164620133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20948 + ... + 27713.

It is an arithmetic number, because the mean of its divisors is an integer number (21897900).

Almost surely, 2^164620163 is an apocalyptic number.

164620163 is a deficient number, since it is larger than the sum of its proper divisors (10563037).

164620163 is a wasteful number, since it uses less digits than its factorization.

164620163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48877.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 164620163 is about 12830.4389246822. The cubic root of 164620163 is about 548.0594566263.

The spelling of 164620163 in words is "one hundred sixty-four million, six hundred twenty thousand, one hundred sixty-three".