165052287 has 12 divisors (see below), whose sum is σ = 238713384. Its totient is φ = 109894320.

The previous prime is 165052267. The next prime is 165052309. The reversal of 165052287 is 782250561.

It is a happy number.

165052287 is a `hidden beast` number, since 1 + 6 + 50 + 522 + 87 = 666.

It is not a de Polignac number, because 165052287 - 2⁷ = 165052159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165052267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4008 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (19892782).

Almost surely, 2^165052287 is an apocalyptic number.

165052287 is a deficient number, since it is larger than the sum of its proper divisors (73661097).

165052287 is a wasteful number, since it uses less digits than its factorization.

165052287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23430 (or 23427 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 165052287 is about 12847.2676861658. The cubic root of 165052287 is about 548.5385853023.

The spelling of 165052287 in words is "one hundred sixty-five million, fifty-two thousand, two hundred eighty-seven".