4216651714661 has 2 divisors, whose sum is σ = 4216651714662. Its totient is φ = 4216651714660.

The previous prime is 4216651714651. The next prime is 4216651714687. The reversal of 4216651714661 is 1664171566124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3511572418561 + 705079296100 = 1873919^2 + 839690^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216651714661 - 2³⁴ = 4199471845477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4216651714651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108325857330 + 2108325857331.

It is an arithmetic number, because the mean of its divisors is an integer number (2108325857331).

Almost surely, 2^{4216651714661} is an apocalyptic number.

It is an amenable number.

4216651714661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216651714661 is an equidigital number, since it uses as much as digits as its factorization.

4216651714661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 4216651714661 in words is "four trillion, two hundred sixteen billion, six hundred fifty-one million, seven hundred fourteen thousand, six hundred sixty-one".