53164326661 has 8 divisors (see below), whose sum is σ = 56390581080. Its totient is φ = 49949065728.

The previous prime is 53164326637. The next prime is 53164326673. The reversal of 53164326661 is 16662346135.

53164326661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21837450625 + 31326876036 = 147775^2 + 176994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53164326661 - 2⁷ = 53164326533 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 (53164326601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738406 + ... + 2757751.

It is an arithmetic number, because the mean of its divisors is an integer number (7048822635).

Almost surely, 2^53164326661 is an apocalyptic number.

It is an amenable number.

53164326661 is a deficient number, since it is larger than the sum of its proper divisors (3226254419).

53164326661 is a wasteful number, since it uses less digits than its factorization.

53164326661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496743.

The product of its digits is 466560, while the sum is 43.

The spelling of 53164326661 in words is "fifty-three billion, one hundred sixty-four million, three hundred twenty-six thousand, six hundred sixty-one".