164562543303 has 4 divisors (see below), whose sum is σ = 219416724408. Its totient is φ = 109708362200.

The previous prime is 164562543293. The next prime is 164562543307. The reversal of 164562543303 is 303345265461.

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 164562543303 - 2¹⁸ = 164562281159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164562543307) 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, 27427090548 + ... + 27427090553.

It is an arithmetic number, because the mean of its divisors is an integer number (54854181102).

Almost surely, 2^164562543303 is an apocalyptic number.

164562543303 is a deficient number, since it is larger than the sum of its proper divisors (54854181105).

164562543303 is an equidigital number, since it uses as much as digits as its factorization.

164562543303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54854181104.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 164562543303 in words is "one hundred sixty-four billion, five hundred sixty-two million, five hundred forty-three thousand, three hundred three".