662126211144407 has 2 divisors, whose sum is σ = 662126211144408. Its totient is φ = 662126211144406.

The previous prime is 662126211144379. The next prime is 662126211144421. The reversal of 662126211144407 is 704441112621266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662126211144407 - 2³⁸ = 661851333237463 is a prime.

It is a super-2 number, since 2×662126211144407² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662126211144457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331063105572203 + 331063105572204.

It is an arithmetic number, because the mean of its divisors is an integer number (331063105572204).

Almost surely, 2^{662126211144407} is an apocalyptic number.

662126211144407 is a deficient number, since it is larger than the sum of its proper divisors (1).

662126211144407 is an equidigital number, since it uses as much as digits as its factorization.

662126211144407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 662126211144407 in words is "six hundred sixty-two trillion, one hundred twenty-six billion, two hundred eleven million, one hundred forty-four thousand, four hundred seven".