165130287 has 8 divisors (see below), whose sum is σ = 251627136. Its totient is φ = 94360152.

The previous prime is 165130283. The next prime is 165130291. The reversal of 165130287 is 782031561.

It is an interprime number because it is at equal distance from previous prime (165130283) and next prime (165130291).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165130287 - 2² = 165130283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165130283) 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, 3931653 + ... + 3931694.

It is an arithmetic number, because the mean of its divisors is an integer number (31453392).

Almost surely, 2^165130287 is an apocalyptic number.

165130287 is a deficient number, since it is larger than the sum of its proper divisors (86496849).

165130287 is an equidigital number, since it uses as much as digits as its factorization.

165130287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863357.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 165130287 is about 12850.3029925368. The cubic root of 165130287 is about 548.6249806952.

The spelling of 165130287 in words is "one hundred sixty-five million, one hundred thirty thousand, two hundred eighty-seven".