53366336661 has 64 divisors (see below), whose sum is σ = 84085309440. Its totient is φ = 29769432000.

The previous prime is 53366336627. The next prime is 53366336669. The reversal of 53366336661 is 16663366335.

53366336661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53366336661 - 2¹⁷ = 53366205589 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53366336661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53366336669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4205356 + ... + 4218026.

It is an arithmetic number, because the mean of its divisors is an integer number (1313832960).

Almost surely, 2^53366336661 is an apocalyptic number.

It is an amenable number.

53366336661 is a deficient number, since it is larger than the sum of its proper divisors (30718972779).

53366336661 is a wasteful number, since it uses less digits than its factorization.

53366336661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918.

The product of its digits is 3149280, while the sum is 48.

The spelling of 53366336661 in words is "fifty-three billion, three hundred sixty-six million, three hundred thirty-six thousand, six hundred sixty-one".