66274833847266 has 48 divisors (see below), whose sum is σ = 158855939805888. Its totient is φ = 19800419839200.

The previous prime is 66274833847213. The next prime is 66274833847273.

66274833847266 is a `hidden beast` number, since 6 + 6 + 2 + 7 + 483 + 3 + 84 + 7 + 2 + 66 = 666.

66274833847266 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66274833847194 and 66274833847203.

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, 2357178781 + ... + 2357206896.

It is an arithmetic number, because the mean of its divisors is an integer number (3309498745956).

Almost surely, 2^{66274833847266} is an apocalyptic number.

66274833847266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66274833847266 is an abundant number, since it is smaller than the sum of its proper divisors (92581105958622).

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

66274833847266 is a wasteful number, since it uses less digits than its factorization.

66274833847266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714385767 (or 4714385764 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 72.

The spelling of 66274833847266 in words is "sixty-six trillion, two hundred seventy-four billion, eight hundred thirty-three million, eight hundred forty-seven thousand, two hundred sixty-six".