65555606122 has 8 divisors (see below), whose sum is σ = 98698961700. Its totient is φ = 32655952224.

The previous prime is 65555606099. The next prime is 65555606141. The reversal of 65555606122 is 22160655556.

It can be written as a sum of positive squares in 2 ways, for example, as 65306313601 + 249292521 = 255551^2 + 15789^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60924747 + ... + 60925822.

Almost surely, 2^65555606122 is an apocalyptic number.

65555606122 is a deficient number, since it is larger than the sum of its proper divisors (33143355578).

65555606122 is a wasteful number, since it uses less digits than its factorization.

65555606122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121850840.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 65555606122 in words is "sixty-five billion, five hundred fifty-five million, six hundred six thousand, one hundred twenty-two".