165109248033 has 16 divisors (see below), whose sum is σ = 229192757376. Its totient is φ = 105630791040.

The previous prime is 165109247969. The next prime is 165109248077. The reversal of 165109248033 is 330842901561.

It is not a de Polignac number, because 165109248033 - 2⁶ = 165109247969 is a prime.

It is a super-2 number, since 2×165109248033² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165109248433) 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, 10180053 + ... + 10196258.

It is an arithmetic number, because the mean of its divisors is an integer number (14324547336).

Almost surely, 2^165109248033 is an apocalyptic number.

It is an amenable number.

165109248033 is a deficient number, since it is larger than the sum of its proper divisors (64083509343).

165109248033 is a wasteful number, since it uses less digits than its factorization.

165109248033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20376424.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 165109248033 in words is "one hundred sixty-five billion, one hundred nine million, two hundred forty-eight thousand, thirty-three".