65576505020663 has 32 divisors (see below), whose sum is σ = 81209855744640. Its totient is φ = 51870174819840.

The previous prime is 65576505020641. The next prime is 65576505020671. The reversal of 65576505020663 is 36602050567556.

65576505020663 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 65576505020663 - 2¹⁶ = 65576504955127 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65576505020599 and 65576505020608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65576505020603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54476831 + ... + 55667567.

It is an arithmetic number, because the mean of its divisors is an integer number (2537807992020).

Almost surely, 2^{65576505020663} is an apocalyptic number.

65576505020663 is a deficient number, since it is larger than the sum of its proper divisors (15633350723977).

65576505020663 is a wasteful number, since it uses less digits than its factorization.

65576505020663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194364 (or 1194338 counting only the distinct ones).

The product of its (nonzero) digits is 34020000, while the sum is 56.

The spelling of 65576505020663 in words is "sixty-five trillion, five hundred seventy-six billion, five hundred five million, twenty thousand, six hundred sixty-three".