67082727648861 has 24 divisors (see below), whose sum is σ = 98542050516000. Its totient is φ = 43962728175072.

The previous prime is 67082727648823. The next prime is 67082727648907. The reversal of 67082727648861 is 16884672728076.

67082727648861 is a `hidden beast` number, since 6 + 7 + 0 + 8 + 2 + 72 + 76 + 488 + 6 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-67082727648861 is a prime.

It is a super-2 number, since 2×67082727648861² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67082727648861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67082727648661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20081895 + ... + 23182923.

It is an arithmetic number, because the mean of its divisors is an integer number (4105918771500).

Almost surely, 2^{67082727648861} is an apocalyptic number.

It is an amenable number.

67082727648861 is a deficient number, since it is larger than the sum of its proper divisors (31459322867139).

67082727648861 is a wasteful number, since it uses less digits than its factorization.

67082727648861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141833 (or 3141830 counting only the distinct ones).

The product of its (nonzero) digits is 606928896, while the sum is 72.

The spelling of 67082727648861 in words is "sixty-seven trillion, eighty-two billion, seven hundred twenty-seven million, six hundred forty-eight thousand, eight hundred sixty-one".