164500603 has 2 divisors, whose sum is σ = 164500604. Its totient is φ = 164500602.

The previous prime is 164500573. The next prime is 164500607. The reversal of 164500603 is 306005461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164500603 is a prime.

It is not a weakly prime, because it can be changed into another prime (164500607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82250301 + 82250302.

It is an arithmetic number, because the mean of its divisors is an integer number (82250302).

Almost surely, 2^164500603 is an apocalyptic number.

164500603 is a deficient number, since it is larger than the sum of its proper divisors (1).

164500603 is an equidigital number, since it uses as much as digits as its factorization.

164500603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 164500603 is about 12825.7788457466. The cubic root of 164500603 is about 547.9267433199.

The spelling of 164500603 in words is "one hundred sixty-four million, five hundred thousand, six hundred three".