165743226207 has 12 divisors (see below), whose sum is σ = 257822796504. Its totient is φ = 101995831440.

The previous prime is 165743226191. The next prime is 165743226251. The reversal of 165743226207 is 702622347561.

165743226207 is a `hidden beast` number, since 1 + 6 + 5 + 7 + 432 + 2 + 6 + 207 = 666.

It is not a de Polignac number, because 165743226207 - 2⁴ = 165743226191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165743226007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708304269 + ... + 708304502.

It is an arithmetic number, because the mean of its divisors is an integer number (21485233042).

Almost surely, 2^165743226207 is an apocalyptic number.

165743226207 is a deficient number, since it is larger than the sum of its proper divisors (92079570297).

165743226207 is a wasteful number, since it uses less digits than its factorization.

165743226207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416608790 (or 1416608787 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 165743226207 in words is "one hundred sixty-five billion, seven hundred forty-three million, two hundred twenty-six thousand, two hundred seven".