65571052066701 has 16 divisors (see below), whose sum is σ = 87727471912704. Its totient is φ = 43564499714304.

The previous prime is 65571052066699. The next prime is 65571052066721. The reversal of 65571052066701 is 10766025017556.

It is not a de Polignac number, because 65571052066701 - 2¹ = 65571052066699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65571052066721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19202416 + ... + 22357881.

It is an arithmetic number, because the mean of its divisors is an integer number (5482966994544).

Almost surely, 2^{65571052066701} is an apocalyptic number.

It is an amenable number.

65571052066701 is a deficient number, since it is larger than the sum of its proper divisors (22156419846003).

65571052066701 is a wasteful number, since it uses less digits than its factorization.

65571052066701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41562100.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 65571052066701 in words is "sixty-five trillion, five hundred seventy-one billion, fifty-two million, sixty-six thousand, seven hundred one".