653366161 has 4 divisors (see below), whose sum is σ = 746704192. Its totient is φ = 560028132.

The previous prime is 653366141. The next prime is 653366213. The reversal of 653366161 is 161663356.

653366161 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 653366161 - 2⁹ = 653365649 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 653366161.

It is not an unprimeable number, because it can be changed into a prime (653366141) 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, 46669005 + ... + 46669018.

It is an arithmetic number, because the mean of its divisors is an integer number (186676048).

Almost surely, 2^653366161 is an apocalyptic number.

It is an amenable number.

653366161 is a deficient number, since it is larger than the sum of its proper divisors (93338031).

653366161 is an equidigital number, since it uses as much as digits as its factorization.

653366161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93338030.

The product of its digits is 58320, while the sum is 37.

The square root of 653366161 is about 25561.0281678965. The cubic root of 653366161 is about 867.7318649264.

The spelling of 653366161 in words is "six hundred fifty-three million, three hundred sixty-six thousand, one hundred sixty-one".