66358475478059 has 2 divisors, whose sum is σ = 66358475478060. Its totient is φ = 66358475478058.

The previous prime is 66358475477933. The next prime is 66358475478067. The reversal of 66358475478059 is 95087457485366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66358475478059 - 2¹² = 66358475473963 is a prime.

It is not a weakly prime, because it can be changed into another prime (66358475478359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33179237739029 + 33179237739030.

It is an arithmetic number, because the mean of its divisors is an integer number (33179237739030).

Almost surely, 2^{66358475478059} is an apocalyptic number.

66358475478059 is a deficient number, since it is larger than the sum of its proper divisors (1).

66358475478059 is an equidigital number, since it uses as much as digits as its factorization.

66358475478059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384000, while the sum is 77.

The spelling of 66358475478059 in words is "sixty-six trillion, three hundred fifty-eight billion, four hundred seventy-five million, four hundred seventy-eight thousand, fifty-nine".