65532251506 has 8 divisors (see below), whose sum is σ = 98425544364. Its totient is φ = 32723736720.

The previous prime is 65532251503. The next prime is 65532251527. The reversal of 65532251506 is 60515223556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65326759281 + 205492225 = 255591^2 + 14335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65532251503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21192585 + ... + 21195676.

Almost surely, 2^65532251506 is an apocalyptic number.

65532251506 is a deficient number, since it is larger than the sum of its proper divisors (32893292858).

65532251506 is a wasteful number, since it uses less digits than its factorization.

65532251506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42389036.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 65532251506 in words is "sixty-five billion, five hundred thirty-two million, two hundred fifty-one thousand, five hundred six".