662268611761 has 2 divisors, whose sum is σ = 662268611762. Its totient is φ = 662268611760.

The previous prime is 662268611731. The next prime is 662268611777. The reversal of 662268611761 is 167116862266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509875971136 + 152392640625 = 714056^2 + 390375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662268611761 is a prime.

It is a super-2 number, since 2×662268611761² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662268611699 and 662268611708.

It is not a weakly prime, because it can be changed into another prime (662268611731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331134305880 + 331134305881.

It is an arithmetic number, because the mean of its divisors is an integer number (331134305881).

Almost surely, 2^662268611761 is an apocalyptic number.

It is an amenable number.

662268611761 is a deficient number, since it is larger than the sum of its proper divisors (1).

662268611761 is an equidigital number, since it uses as much as digits as its factorization.

662268611761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The spelling of 662268611761 in words is "six hundred sixty-two billion, two hundred sixty-eight million, six hundred eleven thousand, seven hundred sixty-one".