165497312 has 24 divisors (see below), whose sum is σ = 344990016. Its totient is φ = 77880832.

The previous prime is 165497309. The next prime is 165497317. The reversal of 165497312 is 213794561.

165497312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165497317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151568 + ... + 152655.

It is an arithmetic number, because the mean of its divisors is an integer number (14374584).

Almost surely, 2^165497312 is an apocalyptic number.

It is an amenable number.

165497312 is an abundant number, since it is smaller than the sum of its proper divisors (179492704).

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

165497312 is a wasteful number, since it uses less digits than its factorization.

165497312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304250 (or 304242 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 165497312 is about 12864.5758577576. The cubic root of 165497312 is about 549.0311449999.

The spelling of 165497312 in words is "one hundred sixty-five million, four hundred ninety-seven thousand, three hundred twelve".