65016788529 has 64 divisors (see below), whose sum is σ = 112236429312. Its totient is φ = 32489121600.

The previous prime is 65016788521. The next prime is 65016788531. The reversal of 65016788529 is 92588761056.

It is not a de Polignac number, because 65016788529 - 2³ = 65016788521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65016788521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1168704 + ... + 1223070.

It is an arithmetic number, because the mean of its divisors is an integer number (1753694208).

Almost surely, 2^65016788529 is an apocalyptic number.

It is an amenable number.

65016788529 is a deficient number, since it is larger than the sum of its proper divisors (47219640783).

65016788529 is a wasteful number, since it uses less digits than its factorization.

65016788529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54586.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 65016788529 in words is "sixty-five billion, sixteen million, seven hundred eighty-eight thousand, five hundred twenty-nine".