165033770403227 has 16 divisors (see below), whose sum is σ = 181696989550560. Its totient is φ = 148647370579200.

The previous prime is 165033770403119. The next prime is 165033770403247. The reversal of 165033770403227 is 722304077330561.

It is a cyclic number.

It is not a de Polignac number, because 165033770403227 - 2¹⁰ = 165033770402203 is a prime.

It is a super-2 number, since 2×165033770403227² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165033770403247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22729727 + ... + 29098247.

It is an arithmetic number, because the mean of its divisors is an integer number (11356061846910).

Almost surely, 2^{165033770403227} is an apocalyptic number.

165033770403227 is a deficient number, since it is larger than the sum of its proper divisors (16663219147333).

165033770403227 is a wasteful number, since it uses less digits than its factorization.

165033770403227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390254.

The product of its (nonzero) digits is 4445280, while the sum is 50.

The spelling of 165033770403227 in words is "one hundred sixty-five trillion, thirty-three billion, seven hundred seventy million, four hundred three thousand, two hundred twenty-seven".