66358087 has 2 divisors, whose sum is σ = 66358088. Its totient is φ = 66358086.

The previous prime is 66358081. The next prime is 66358093. The reversal of 66358087 is 78085366.

It is a balanced prime because it is at equal distance from previous prime (66358081) and next prime (66358093).

It is a cyclic number.

It is not a de Polignac number, because 66358087 - 2³ = 66358079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66358081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33179043 + 33179044.

It is an arithmetic number, because the mean of its divisors is an integer number (33179044).

Almost surely, 2^66358087 is an apocalyptic number.

66358087 is a deficient number, since it is larger than the sum of its proper divisors (1).

66358087 is an equidigital number, since it uses as much as digits as its factorization.

66358087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 66358087 is about 8146.0473237025. The cubic root of 66358087 is about 404.8535506672.

The spelling of 66358087 in words is "sixty-six million, three hundred fifty-eight thousand, eighty-seven".