66058637560 has 16 divisors (see below), whose sum is σ = 148631934600. Its totient is φ = 26423455008.

The previous prime is 66058637551. The next prime is 66058637563. The reversal of 66058637560 is 6573685066.

It is a junction number, because it is equal to n+sod(n) for n = 66058637498 and 66058637507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66058637563) by changing a digit.

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, 825732930 + ... + 825733009.

Almost surely, 2^66058637560 is an apocalyptic number.

It is an amenable number.

66058637560 is an abundant number, since it is smaller than the sum of its proper divisors (82573297040).

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

66058637560 is a wasteful number, since it uses less digits than its factorization.

66058637560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651465950 (or 1651465946 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 66058637560 in words is "sixty-six billion, fifty-eight million, six hundred thirty-seven thousand, five hundred sixty".