2071006615681 has 8 divisors (see below), whose sum is σ = 2083446840384. Its totient is φ = 2058577360560.

The previous prime is 2071006615679. The next prime is 2071006615687. The reversal of 2071006615681 is 1865166001702.

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 2071006615681 - 2¹ = 2071006615679 is a prime.

It is a super-2 number, since 2×2071006615681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071006615687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363515 + ... + 3119008.

It is an arithmetic number, because the mean of its divisors is an integer number (260430855048).

Almost surely, 2^{2071006615681} is an apocalyptic number.

It is an amenable number.

2071006615681 is a deficient number, since it is larger than the sum of its proper divisors (12440224703).

2071006615681 is a wasteful number, since it uses less digits than its factorization.

2071006615681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484791.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 2071006615681 in words is "two trillion, seventy-one billion, six million, six hundred fifteen thousand, six hundred eighty-one".