165642382 has 16 divisors (see below), whose sum is σ = 258059520. Its totient is φ = 79682488.

The previous prime is 165642359. The next prime is 165642413. The reversal of 165642382 is 283246561.

165642382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9388 + ... + 20479.

It is an arithmetic number, because the mean of its divisors is an integer number (16128720).

Almost surely, 2^165642382 is an apocalyptic number.

165642382 is a deficient number, since it is larger than the sum of its proper divisors (92417138).

165642382 is a wasteful number, since it uses less digits than its factorization.

With its successor (165642383) it forms an eRAP, since the sums of their prime factors are consecutive (29975 and 29976).

165642382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its digits is 69120, while the sum is 37.

The square root of 165642382 is about 12870.2129741508. The cubic root of 165642382 is about 549.1915195829.

The spelling of 165642382 in words is "one hundred sixty-five million, six hundred forty-two thousand, three hundred eighty-two".