66727306733051 has 2 divisors, whose sum is σ = 66727306733052. Its totient is φ = 66727306733050.

The previous prime is 66727306733023. The next prime is 66727306733063. The reversal of 66727306733051 is 15033760372766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66727306733051 - 2¹⁴ = 66727306716667 is a prime.

It is not a weakly prime, because it can be changed into another prime (66727306733081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33363653366525 + 33363653366526.

It is an arithmetic number, because the mean of its divisors is an integer number (33363653366526).

Almost surely, 2^{66727306733051} is an apocalyptic number.

66727306733051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66727306733051 is an equidigital number, since it uses as much as digits as its factorization.

66727306733051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20003760, while the sum is 56.

The spelling of 66727306733051 in words is "sixty-six trillion, seven hundred twenty-seven billion, three hundred six million, seven hundred thirty-three thousand, fifty-one".