164755803 has 4 divisors (see below), whose sum is σ = 219674408. Its totient is φ = 109837200.

The previous prime is 164755781. The next prime is 164755837. The reversal of 164755803 is 308557461.

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

It is not a de Polignac number, because 164755803 - 2⁵ = 164755771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164755883) 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, 27459298 + ... + 27459303.

It is an arithmetic number, because the mean of its divisors is an integer number (54918602).

Almost surely, 2^164755803 is an apocalyptic number.

164755803 is a deficient number, since it is larger than the sum of its proper divisors (54918605).

164755803 is an equidigital number, since it uses as much as digits as its factorization.

164755803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54918604.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 164755803 is about 12835.7237037886. The cubic root of 164755803 is about 548.2099411829.

The spelling of 164755803 in words is "one hundred sixty-four million, seven hundred fifty-five thousand, eight hundred three".