416437722661 has 2 divisors, whose sum is σ = 416437722662. Its totient is φ = 416437722660.

The previous prime is 416437722641. The next prime is 416437722667. The reversal of 416437722661 is 166227734614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368479350625 + 47958372036 = 607025^2 + 218994^2 .

It is a cyclic number.

It is not a de Polignac number, because 416437722661 - 2¹¹ = 416437720613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416437722667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208218861330 + 208218861331.

It is an arithmetic number, because the mean of its divisors is an integer number (208218861331).

Almost surely, 2^416437722661 is an apocalyptic number.

It is an amenable number.

416437722661 is a deficient number, since it is larger than the sum of its proper divisors (1).

416437722661 is an equidigital number, since it uses as much as digits as its factorization.

416437722661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The spelling of 416437722661 in words is "four hundred sixteen billion, four hundred thirty-seven million, seven hundred twenty-two thousand, six hundred sixty-one".