159666607 has 2 divisors, whose sum is σ = 159666608. Its totient is φ = 159666606.

The previous prime is 159666593. The next prime is 159666613. The reversal of 159666607 is 706666951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159666607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159666107) 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, 79833303 + 79833304.

It is an arithmetic number, because the mean of its divisors is an integer number (79833304).

Almost surely, 2^159666607 is an apocalyptic number.

159666607 is a deficient number, since it is larger than the sum of its proper divisors (1).

159666607 is an equidigital number, since it uses as much as digits as its factorization.

159666607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 159666607 is about 12635.9252530236. The cubic root of 159666607 is about 542.5061911842.

The spelling of 159666607 in words is "one hundred fifty-nine million, six hundred sixty-six thousand, six hundred seven".