164382663 has 4 divisors (see below), whose sum is σ = 219176888. Its totient is φ = 109588440.

The previous prime is 164382637. The next prime is 164382667. The reversal of 164382663 is 366283461.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 164382663 - 2¹³ = 164374471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164382667) 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, 27397108 + ... + 27397113.

It is an arithmetic number, because the mean of its divisors is an integer number (54794222).

Almost surely, 2^164382663 is an apocalyptic number.

164382663 is a deficient number, since it is larger than the sum of its proper divisors (54794225).

164382663 is an equidigital number, since it uses as much as digits as its factorization.

164382663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54794224.

The product of its digits is 124416, while the sum is 39.

The square root of 164382663 is about 12821.1802498834. The cubic root of 164382663 is about 547.7957652182.

The spelling of 164382663 in words is "one hundred sixty-four million, three hundred eighty-two thousand, six hundred sixty-three".