66062364676 has 81 divisors (see below), whose sum is σ = 147909987477. Its totient is φ = 25723162080.

The previous prime is 66062364673. The next prime is 66062364689. The reversal of 66062364676 is 67646326066.

The square root of 66062364676 is 257026.

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., 35241051076 + 30821313600 = 187726^2 + 175560^2 .

It is not an unprimeable number, because it can be changed into a prime (66062364673) 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 26 ways as a sum of consecutive naturals, for example, 39581170 + ... + 39582838.

Almost surely, 2^66062364676 is an apocalyptic number.

66062364676 is the 257026-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66062364676

66062364676 is an abundant number, since it is smaller than the sum of its proper divisors (81847622801).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66062364676 is a wasteful number, since it uses less digits than its factorization.

66062364676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 52.

The spelling of 66062364676 in words is "sixty-six billion, sixty-two million, three hundred sixty-four thousand, six hundred seventy-six".