165903282 has 16 divisors (see below), whose sum is σ = 368674080. Its totient is φ = 55301076.

The previous prime is 165903277. The next prime is 165903317. The reversal of 165903282 is 282309561.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536088 + ... + 1536195.

It is an arithmetic number, because the mean of its divisors is an integer number (23042130).

Almost surely, 2^165903282 is an apocalyptic number.

165903282 is an abundant number, since it is smaller than the sum of its proper divisors (202770798).

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

165903282 is a wasteful number, since it uses less digits than its factorization.

165903282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072294 (or 3072288 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 165903282 is about 12880.3447935216. The cubic root of 165903282 is about 549.4797085185.

The spelling of 165903282 in words is "one hundred sixty-five million, nine hundred three thousand, two hundred eighty-two".