1662062331271 has 2 divisors, whose sum is σ = 1662062331272. Its totient is φ = 1662062331270.

The previous prime is 1662062331247. The next prime is 1662062331277. The reversal of 1662062331271 is 1721332602661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1662062331271 - 2¹¹ = 1662062329223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662062331277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831031165635 + 831031165636.

It is an arithmetic number, because the mean of its divisors is an integer number (831031165636).

Almost surely, 2^{1662062331271} is an apocalyptic number.

1662062331271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662062331271 is an equidigital number, since it uses as much as digits as its factorization.

1662062331271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 1662062331271 in words is "one trillion, six hundred sixty-two billion, sixty-two million, three hundred thirty-one thousand, two hundred seventy-one".