66147282036 has 72 divisors (see below), whose sum is σ = 182557843104. Its totient is φ = 20027960640.

The previous prime is 66147281951. The next prime is 66147282049. The reversal of 66147282036 is 63028274166.

66147282036 is a `hidden beast` number, since 6 + 614 + 7 + 2 + 8 + 20 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 66147281982 and 66147282000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411495 + ... + 549201.

Almost surely, 2^66147282036 is an apocalyptic number.

66147282036 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

66147282036 is an abundant number, since it is smaller than the sum of its proper divisors (116410561068).

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

66147282036 is a wasteful number, since it uses less digits than its factorization.

66147282036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138941 (or 138936 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 66147282036 in words is "sixty-six billion, one hundred forty-seven million, two hundred eighty-two thousand, thirty-six".