165045434522044 has 6 divisors (see below), whose sum is σ = 288829510413584. Its totient is φ = 82522717261020.

The previous prime is 165045434522029. The next prime is 165045434522077. The reversal of 165045434522044 is 440225434540561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20630679315252 + ... + 20630679315259.

Almost surely, 2^{165045434522044} is an apocalyptic number.

It is an amenable number.

165045434522044 is a deficient number, since it is larger than the sum of its proper divisors (123784075891540).

165045434522044 is a wasteful number, since it uses less digits than its factorization.

165045434522044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41261358630515 (or 41261358630513 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 49.

The spelling of 165045434522044 in words is "one hundred sixty-five trillion, forty-five billion, four hundred thirty-four million, five hundred twenty-two thousand, forty-four".