164095603 has 4 divisors (see below), whose sum is σ = 187537840. Its totient is φ = 140653368.

The previous prime is 164095597. The next prime is 164095621. The reversal of 164095603 is 306590461.

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

It is a cyclic number.

It is not a de Polignac number, because 164095603 - 2¹³ = 164087411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164095643) 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 3 ways as a sum of consecutive naturals, for example, 11721108 + ... + 11721121.

It is an arithmetic number, because the mean of its divisors is an integer number (46884460).

Almost surely, 2^164095603 is an apocalyptic number.

164095603 is a deficient number, since it is larger than the sum of its proper divisors (23442237).

164095603 is an equidigital number, since it uses as much as digits as its factorization.

164095603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442236.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 164095603 is about 12809.9806010782. The cubic root of 164095603 is about 547.4767091139.

The spelling of 164095603 in words is "one hundred sixty-four million, ninety-five thousand, six hundred three".