165007707243 has 16 divisors (see below), whose sum is σ = 230137290240. Its totient is φ = 104965020864.

The previous prime is 165007707209. The next prime is 165007707269. The reversal of 165007707243 is 342707700561.

It is not a de Polignac number, because 165007707243 - 2²² = 165003512939 is a prime.

It is a super-2 number, since 2×165007707243² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165007707195 and 165007707204.

It is not an unprimeable number, because it can be changed into a prime (165007707283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895271 + ... + 2951712.

It is an arithmetic number, because the mean of its divisors is an integer number (14383580640).

Almost surely, 2^165007707243 is an apocalyptic number.

165007707243 is a deficient number, since it is larger than the sum of its proper divisors (65129582997).

165007707243 is a wasteful number, since it uses less digits than its factorization.

165007707243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847418.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 165007707243 in words is "one hundred sixty-five billion, seven million, seven hundred seven thousand, two hundred forty-three".