165267222417 has 24 divisors (see below), whose sum is σ = 264835003680. Its totient is φ = 98464289280.

The previous prime is 165267222353. The next prime is 165267222443. The reversal of 165267222417 is 714222762561.

165267222417 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 6 + 7 + 222 + 417 = 666.

It is not a de Polignac number, because 165267222417 - 2⁶ = 165267222353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165267222517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14141328 + ... + 14153009.

It is an arithmetic number, because the mean of its divisors is an integer number (11034791820).

Almost surely, 2^165267222417 is an apocalyptic number.

It is an amenable number.

165267222417 is a deficient number, since it is larger than the sum of its proper divisors (99567781263).

165267222417 is a wasteful number, since it uses less digits than its factorization.

165267222417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28294413 (or 28294410 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

Adding to 165267222417 its reverse (714222762561), we get a palindrome (879489984978).

The spelling of 165267222417 in words is "one hundred sixty-five billion, two hundred sixty-seven million, two hundred twenty-two thousand, four hundred seventeen".