65655536345 has 24 divisors (see below), whose sum is σ = 93885143688. Its totient is φ = 43922860800.

The previous prime is 65655536327. The next prime is 65655536347. The reversal of 65655536345 is 54363555656.

It can be written as a sum of positive squares in 4 ways, for example, as 9370820809 + 56284715536 = 96803^2 + 237244^2 .

It is not a de Polignac number, because 65655536345 - 2⁶ = 65655536281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65655536347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3258026 + ... + 3278115.

It is an arithmetic number, because the mean of its divisors is an integer number (3911880987).

Almost surely, 2^65655536345 is an apocalyptic number.

It is an amenable number.

65655536345 is a deficient number, since it is larger than the sum of its proper divisors (28229607343).

65655536345 is a wasteful number, since it uses less digits than its factorization.

65655536345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536201 (or 6536194 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 53.

The spelling of 65655536345 in words is "sixty-five billion, six hundred fifty-five million, five hundred thirty-six thousand, three hundred forty-five".