653464165 has 4 divisors (see below), whose sum is σ = 784157004. Its totient is φ = 522771328.

The previous prime is 653464157. The next prime is 653464211. The reversal of 653464165 is 561464356.

653464165 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.

It can be written as a sum of positive squares in 2 ways, for example, as 520615489 + 132848676 = 22817^2 + 11526^2 .

It is a cyclic number.

It is not a de Polignac number, because 653464165 - 2³ = 653464157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65346412 + ... + 65346421.

It is an arithmetic number, because the mean of its divisors is an integer number (196039251).

Almost surely, 2^653464165 is an apocalyptic number.

It is an amenable number.

653464165 is a deficient number, since it is larger than the sum of its proper divisors (130692839).

653464165 is a wasteful number, since it uses less digits than its factorization.

653464165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130692838.

The product of its digits is 259200, while the sum is 40.

The square root of 653464165 is about 25562.9451550482. The cubic root of 653464165 is about 867.7752489415.

The spelling of 653464165 in words is "six hundred fifty-three million, four hundred sixty-four thousand, one hundred sixty-five".