165266063 has 8 divisors (see below), whose sum is σ = 173771136. Its totient is φ = 156871000.

The previous prime is 165266051. The next prime is 165266081. The reversal of 165266063 is 360662561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165266063 - 2⁶ = 165265999 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 (165266033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24413 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (21721392).

Almost surely, 2^165266063 is an apocalyptic number.

165266063 is a deficient number, since it is larger than the sum of its proper divisors (8505073).

165266063 is a wasteful number, since it uses less digits than its factorization.

165266063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 165266063 is about 12855.5848952897. The cubic root of 165266063 is about 548.7753058312.

The spelling of 165266063 in words is "one hundred sixty-five million, two hundred sixty-six thousand, sixty-three".