165201607 has 2 divisors, whose sum is σ = 165201608. Its totient is φ = 165201606.

The previous prime is 165201557. The next prime is 165201629. The reversal of 165201607 is 706102561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165201607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165201667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82600803 + 82600804.

It is an arithmetic number, because the mean of its divisors is an integer number (82600804).

Almost surely, 2^165201607 is an apocalyptic number.

165201607 is a deficient number, since it is larger than the sum of its proper divisors (1).

165201607 is an equidigital number, since it uses as much as digits as its factorization.

165201607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 165201607 is about 12853.0777248097. The cubic root of 165201607 is about 548.7039532902.

The spelling of 165201607 in words is "one hundred sixty-five million, two hundred one thousand, six hundred seven".