165045236433632 has 48 divisors (see below), whose sum is σ = 335478929167872. Its totient is φ = 79875935354880.

The previous prime is 165045236433613. The next prime is 165045236433641. The reversal of 165045236433632 is 236334632540561.

It is a super-2 number, since 2×165045236433632² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495095873 + ... + 495429120.

It is an arithmetic number, because the mean of its divisors is an integer number (6989144357664).

Almost surely, 2^{165045236433632} is an apocalyptic number.

It is an amenable number.

165045236433632 is an abundant number, since it is smaller than the sum of its proper divisors (170433692734240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165045236433632 is a wasteful number, since it uses less digits than its factorization.

165045236433632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990525171 (or 990525163 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 165045236433632 in words is "one hundred sixty-five trillion, forty-five billion, two hundred thirty-six million, four hundred thirty-three thousand, six hundred thirty-two".