65522688676 has 27 divisors (see below), whose sum is σ = 115665077857. Its totient is φ = 32477981120.

The previous prime is 65522688661. The next prime is 65522688683. The reversal of 65522688676 is 67688622556.

It is a happy number.

The square root of 65522688676 is 255974.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 61300808100 + 4221880576 = 247590^2 + 64976^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 67064700 + ... + 67065676.

Almost surely, 2^65522688676 is an apocalyptic number.

65522688676 is the 255974-th square number.

It is an amenable number.

65522688676 is a deficient number, since it is larger than the sum of its proper divisors (50142389181).

65522688676 is an frugal number, since it uses more digits than its factorization.

65522688676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 1110 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 65522688676 in words is "sixty-five billion, five hundred twenty-two million, six hundred eighty-eight thousand, six hundred seventy-six".