164123563 has 8 divisors (see below), whose sum is σ = 167515776. Its totient is φ = 160742400.

The previous prime is 164123513. The next prime is 164123567. The reversal of 164123563 is 365321461.

164123563 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 164123563 - 2⁹ = 164123051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164123567) 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, 31558 + ... + 36388.

It is an arithmetic number, because the mean of its divisors is an integer number (20939472).

Almost surely, 2^164123563 is an apocalyptic number.

164123563 is a deficient number, since it is larger than the sum of its proper divisors (3392213).

164123563 is an equidigital number, since it uses as much as digits as its factorization.

164123563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525.

The product of its digits is 12960, while the sum is 31.

The square root of 164123563 is about 12811.0718911417. The cubic root of 164123563 is about 547.5078019224.

The spelling of 164123563 in words is "one hundred sixty-four million, one hundred twenty-three thousand, five hundred sixty-three".