65610328117 has 2 divisors, whose sum is σ = 65610328118. Its totient is φ = 65610328116.

The previous prime is 65610328093. The next prime is 65610328151. The reversal of 65610328117 is 71182301656.

It is a happy number.

65610328117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33883237476 + 31727090641 = 184074^2 + 178121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65610328117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65610328117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65610322117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805164058 + 32805164059.

It is an arithmetic number, because the mean of its divisors is an integer number (32805164059).

Almost surely, 2^65610328117 is an apocalyptic number.

It is an amenable number.

65610328117 is a deficient number, since it is larger than the sum of its proper divisors (1).

65610328117 is an equidigital number, since it uses as much as digits as its factorization.

65610328117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 65610328117 in words is "sixty-five billion, six hundred ten million, three hundred twenty-eight thousand, one hundred seventeen".