165475207 has 4 divisors (see below), whose sum is σ = 165501256. Its totient is φ = 165449160.

The previous prime is 165475201. The next prime is 165475213. The reversal of 165475207 is 702574561.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (165475201) and next prime (165475213).

It is a cyclic number.

It is not a de Polignac number, because 165475207 - 2¹⁵ = 165442439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165475201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457 + ... + 18517.

It is an arithmetic number, because the mean of its divisors is an integer number (41375314).

Almost surely, 2^165475207 is an apocalyptic number.

165475207 is a deficient number, since it is larger than the sum of its proper divisors (26049).

165475207 is a wasteful number, since it uses less digits than its factorization.

165475207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 165475207 is about 12863.7166868678. The cubic root of 165475207 is about 549.0066997412.

The spelling of 165475207 in words is "one hundred sixty-five million, four hundred seventy-five thousand, two hundred seven".