65716600221701 has 16 divisors (see below), whose sum is σ = 77760951737280. Its totient is φ = 54750057822720.

The previous prime is 65716600221637. The next prime is 65716600221703. The reversal of 65716600221701 is 10712200661756.

It is not a de Polignac number, because 65716600221701 - 2⁶ = 65716600221637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65716600221703) 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, 1653061580 + ... + 1653101333.

It is an arithmetic number, because the mean of its divisors is an integer number (4860059483580).

Almost surely, 2^{65716600221701} is an apocalyptic number.

It is an amenable number.

65716600221701 is a deficient number, since it is larger than the sum of its proper divisors (12044351515579).

65716600221701 is a wasteful number, since it uses less digits than its factorization.

65716600221701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306163076.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 65716600221701 in words is "sixty-five trillion, seven hundred sixteen billion, six hundred million, two hundred twenty-one thousand, seven hundred one".