2065960345681 has 8 divisors (see below), whose sum is σ = 2072902209920. Its totient is φ = 2059025615568.

The previous prime is 2065960345667. The next prime is 2065960345781. The reversal of 2065960345681 is 1865430695602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065960345681 is a prime.

It is a super-2 number, since 2×2065960345681² (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 (2065960345781) 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, 1203066 + ... + 2362051.

It is an arithmetic number, because the mean of its divisors is an integer number (259112776240).

Almost surely, 2^{2065960345681} is an apocalyptic number.

It is an amenable number.

2065960345681 is a deficient number, since it is larger than the sum of its proper divisors (6941864239).

2065960345681 is a wasteful number, since it uses less digits than its factorization.

2065960345681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567063.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 2065960345681 in words is "two trillion, sixty-five billion, nine hundred sixty million, three hundred forty-five thousand, six hundred eighty-one".