66327072085031 has 2 divisors, whose sum is σ = 66327072085032. Its totient is φ = 66327072085030.

The previous prime is 66327072085019. The next prime is 66327072085033. The reversal of 66327072085031 is 13058027072366.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66327072085031 is a prime.

It is a super-2 number, since 2×66327072085031² (a number of 28 digits) contains 22 as substring.

Together with 66327072085033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66327072085033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33163536042515 + 33163536042516.

It is an arithmetic number, because the mean of its divisors is an integer number (33163536042516).

Almost surely, 2^{66327072085031} is an apocalyptic number.

66327072085031 is a deficient number, since it is larger than the sum of its proper divisors (1).

66327072085031 is an equidigital number, since it uses as much as digits as its factorization.

66327072085031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 66327072085031 in words is "sixty-six trillion, three hundred twenty-seven billion, seventy-two million, eighty-five thousand, thirty-one".