665745150467 has 2 divisors, whose sum is σ = 665745150468. Its totient is φ = 665745150466.

The previous prime is 665745150451. The next prime is 665745150533. The reversal of 665745150467 is 764051547566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 665745150467 - 2⁴ = 665745150451 is a prime.

It is not a weakly prime, because it can be changed into another prime (665745152467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332872575233 + 332872575234.

It is an arithmetic number, because the mean of its divisors is an integer number (332872575234).

Almost surely, 2^665745150467 is an apocalyptic number.

665745150467 is a deficient number, since it is larger than the sum of its proper divisors (1).

665745150467 is an equidigital number, since it uses as much as digits as its factorization.

665745150467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 665745150467 in words is "six hundred sixty-five billion, seven hundred forty-five million, one hundred fifty thousand, four hundred sixty-seven".