164572313573 has 4 divisors (see below), whose sum is σ = 167361674880. Its totient is φ = 161782952268.

The previous prime is 164572313569. The next prime is 164572313611. The reversal of 164572313573 is 375313275461.

164572313573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164572313573 - 2² = 164572313569 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 (164572313173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394680565 + ... + 1394680682.

It is an arithmetic number, because the mean of its divisors is an integer number (41840418720).

Almost surely, 2^164572313573 is an apocalyptic number.

It is an amenable number.

164572313573 is a deficient number, since it is larger than the sum of its proper divisors (2789361307).

164572313573 is an equidigital number, since it uses as much as digits as its factorization.

164572313573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789361306.

The product of its digits is 1587600, while the sum is 47.

The spelling of 164572313573 in words is "one hundred sixty-four billion, five hundred seventy-two million, three hundred thirteen thousand, five hundred seventy-three".