165265006 has 4 divisors (see below), whose sum is σ = 247897512. Its totient is φ = 82632502.

The previous prime is 165265003. The next prime is 165265013. The reversal of 165265006 is 600562561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600562561 = 167 ⋅3596183.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165265003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316250 + ... + 41316253.

It is an arithmetic number, because the mean of its divisors is an integer number (61974378).

Almost surely, 2^165265006 is an apocalyptic number.

165265006 is a deficient number, since it is larger than the sum of its proper divisors (82632506).

165265006 is an equidigital number, since it uses as much as digits as its factorization.

165265006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82632505.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165265006 is about 12855.5437846868. The cubic root of 165265006 is about 548.7741358859.

The spelling of 165265006 in words is "one hundred sixty-five million, two hundred sixty-five thousand, six".