52663656672 has 108 divisors (see below), whose sum is σ = 164614839480. Its totient is φ = 15958673280.

The previous prime is 52663656629. The next prime is 52663656679. The reversal of 52663656672 is 27665636625.

52663656672 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 3 + 6 + 566 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52663656679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 720772 + ... + 790467.

Almost surely, 2^52663656672 is an apocalyptic number.

It is an amenable number.

52663656672 is an abundant number, since it is smaller than the sum of its proper divisors (111951182808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52663656672 is a wasteful number, since it uses less digits than its factorization.

52663656672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511277 (or 1511255 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 52663656672 in words is "fifty-two billion, six hundred sixty-three million, six hundred fifty-six thousand, six hundred seventy-two".