165273332703 has 4 divisors (see below), whose sum is σ = 220364443608. Its totient is φ = 110182221800.

The previous prime is 165273332687. The next prime is 165273332713. The reversal of 165273332703 is 307233372561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165273332703 - 2⁴ = 165273332687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165273332713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27545555448 + ... + 27545555453.

It is an arithmetic number, because the mean of its divisors is an integer number (55091110902).

Almost surely, 2^165273332703 is an apocalyptic number.

165273332703 is a deficient number, since it is larger than the sum of its proper divisors (55091110905).

165273332703 is an equidigital number, since it uses as much as digits as its factorization.

165273332703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55091110904.

The product of its (nonzero) digits is 476280, while the sum is 42.

The spelling of 165273332703 in words is "one hundred sixty-five billion, two hundred seventy-three million, three hundred thirty-two thousand, seven hundred three".