66086013184 has 27 divisors (see below), whose sum is σ = 131922088627. Its totient is φ = 33040950016.

The previous prime is 66086013167. The next prime is 66086013193. The reversal of 66086013184 is 48131068066.

It is a happy number.

The square root of 66086013184 is 257072.

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

It is a super-2 number, since 2×66086013184² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66086013184.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4105119 + ... + 4121185.

Almost surely, 2^66086013184 is an apocalyptic number.

66086013184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

66086013184 is the 257072-nd square number.

It is an amenable number.

66086013184 is a deficient number, since it is larger than the sum of its proper divisors (65836075443).

66086013184 is an frugal number, since it uses more digits than its factorization.

66086013184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150 (or 16069 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 66086013184 in words is "sixty-six billion, eighty-six million, thirteen thousand, one hundred eighty-four".