65526366085 has 16 divisors (see below), whose sum is σ = 81659631600. Its totient is φ = 50416500736.

The previous prime is 65526366083. The next prime is 65526366107. The reversal of 65526366085 is 58066362556.

It can be written as a sum of positive squares in 8 ways, for example, as 334999809 + 65191366276 = 18303^2 + 255326^2 .

It is a cyclic number.

It is not a de Polignac number, because 65526366085 - 2¹ = 65526366083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65526366083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841930 + ... + 916459.

It is an arithmetic number, because the mean of its divisors is an integer number (5103726975).

Almost surely, 2^65526366085 is an apocalyptic number.

It is an amenable number.

65526366085 is a deficient number, since it is larger than the sum of its proper divisors (16133265515).

65526366085 is a wasteful number, since it uses less digits than its factorization.

65526366085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758680.

The product of its (nonzero) digits is 7776000, while the sum is 52.

It can be divided in two parts, 6552636 and 6085, that added together give a square (6558721 = 2561²).

The spelling of 65526366085 in words is "sixty-five billion, five hundred twenty-six million, three hundred sixty-six thousand, eighty-five".