164722053 has 4 divisors (see below), whose sum is σ = 219629408. Its totient is φ = 109814700.

The previous prime is 164722043. The next prime is 164722079. The reversal of 164722053 is 350227461.

164722053 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 not a de Polignac number, because 164722053 - 2⁶ = 164721989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164722053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164722043) 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, 27453673 + ... + 27453678.

It is an arithmetic number, because the mean of its divisors is an integer number (54907352).

Almost surely, 2^164722053 is an apocalyptic number.

It is an amenable number.

164722053 is a deficient number, since it is larger than the sum of its proper divisors (54907355).

164722053 is an equidigital number, since it uses as much as digits as its factorization.

164722053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54907354.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 164722053 is about 12834.4089462663. The cubic root of 164722053 is about 548.1725052753.

The spelling of 164722053 in words is "one hundred sixty-four million, seven hundred twenty-two thousand, fifty-three".