165520652 has 24 divisors (see below), whose sum is σ = 322721280. Its totient is φ = 73634960.

The previous prime is 165520651. The next prime is 165520657. The reversal of 165520652 is 256025561.

165520652 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 (165520651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37952 + ... + 42087.

It is an arithmetic number, because the mean of its divisors is an integer number (13446720).

Almost surely, 2^165520652 is an apocalyptic number.

It is an amenable number.

165520652 is a deficient number, since it is larger than the sum of its proper divisors (157200628).

165520652 is a wasteful number, since it uses less digits than its factorization.

165520652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80101 (or 80099 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 165520652 is about 12865.4829680040. The cubic root of 165520652 is about 549.0569536458.

The spelling of 165520652 in words is "one hundred sixty-five million, five hundred twenty thousand, six hundred fifty-two".