165920182 has 4 divisors (see below), whose sum is σ = 248880276. Its totient is φ = 82960090.

The previous prime is 165920177. The next prime is 165920191. The reversal of 165920182 is 281029561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 281029561 = 773 ⋅363557.

It is a super-3 number, since 3×165920182³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41480044 + ... + 41480047.

It is an arithmetic number, because the mean of its divisors is an integer number (62220069).

Almost surely, 2^165920182 is an apocalyptic number.

165920182 is a deficient number, since it is larger than the sum of its proper divisors (82960094).

165920182 is an equidigital number, since it uses as much as digits as its factorization.

165920182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82960093.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 165920182 is about 12881.0008151541. Note that the first 3 decimals coincide. The cubic root of 165920182 is about 549.4983657579.

The spelling of 165920182 in words is "one hundred sixty-five million, nine hundred twenty thousand, one hundred eighty-two".