165012772 has 12 divisors (see below), whose sum is σ = 289794736. Its totient is φ = 82214280.

The previous prime is 165012769. The next prime is 165012773. The reversal of 165012772 is 277210561.

165012772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165012773) 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, 71754 + ... + 74017.

Almost surely, 2^165012772 is an apocalyptic number.

It is an amenable number.

165012772 is a deficient number, since it is larger than the sum of its proper divisors (124781964).

165012772 is a wasteful number, since it uses less digits than its factorization.

165012772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146058 (or 146056 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 165012772 is about 12845.7297184706. The cubic root of 165012772 is about 548.4948067871.

The spelling of 165012772 in words is "one hundred sixty-five million, twelve thousand, seven hundred seventy-two".