30666736286681 has 8 divisors (see below), whose sum is σ = 33491024702400. Its totient is φ = 27848515087440.

The previous prime is 30666736286677. The next prime is 30666736286701. The reversal of 30666736286681 is 18668263766603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30666736286681 - 2² = 30666736286677 is a prime.

It is a super-2 number, since 2×30666736286681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30666736286981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516793546 + ... + 1516813763.

It is an arithmetic number, because the mean of its divisors is an integer number (4186378087800).

Almost surely, 2^{30666736286681} is an apocalyptic number.

It is an amenable number.

30666736286681 is a deficient number, since it is larger than the sum of its proper divisors (2824288415719).

30666736286681 is a wasteful number, since it uses less digits than its factorization.

30666736286681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033608239.

The product of its (nonzero) digits is 376233984, while the sum is 68.

The spelling of 30666736286681 in words is "thirty trillion, six hundred sixty-six billion, seven hundred thirty-six million, two hundred eighty-six thousand, six hundred eighty-one".