65536331650 has 12 divisors (see below), whose sum is σ = 121897576962. Its totient is φ = 26214532640.

The previous prime is 65536331639. The next prime is 65536331657. The reversal of 65536331650 is 5613363556.

It can be written as a sum of positive squares in 3 ways, for example, as 63605344401 + 1930987249 = 252201^2 + 43943^2 .

It is a super-2 number, since 2×65536331650² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65536331597 and 65536331606.

It is not an unprimeable number, because it can be changed into a prime (65536331657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655363267 + ... + 655363366.

Almost surely, 2^65536331650 is an apocalyptic number.

65536331650 is a deficient number, since it is larger than the sum of its proper divisors (56361245312).

65536331650 is a wasteful number, since it uses less digits than its factorization.

65536331650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310726645 (or 1310726640 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 43.

The spelling of 65536331650 in words is "sixty-five billion, five hundred thirty-six million, three hundred thirty-one thousand, six hundred fifty".