66120676236 has 72 divisors (see below), whose sum is σ = 167878829664. Its totient is φ = 21942762240.

The previous prime is 66120676217. The next prime is 66120676247. The reversal of 66120676236 is 63267602166.

66120676236 is a `hidden beast` number, since 6 + 6 + 12 + 0 + 6 + 7 + 623 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 66120676191 and 66120676200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10666690 + ... + 10672886.

It is an arithmetic number, because the mean of its divisors is an integer number (2331650412).

Almost surely, 2^66120676236 is an apocalyptic number.

It is an amenable number.

66120676236 is an abundant number, since it is smaller than the sum of its proper divisors (101758153428).

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

66120676236 is a wasteful number, since it uses less digits than its factorization.

66120676236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471 (or 7466 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 66120676236 in words is "sixty-six billion, one hundred twenty million, six hundred seventy-six thousand, two hundred thirty-six".