165442696 has 8 divisors (see below), whose sum is σ = 310205070. Its totient is φ = 82721344.

The previous prime is 165442687. The next prime is 165442727. The reversal of 165442696 is 696244561.

165442696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127373796 + 38068900 = 11286^2 + 6170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10340161 + ... + 10340176.

Almost surely, 2^165442696 is an apocalyptic number.

It is an amenable number.

165442696 is a deficient number, since it is larger than the sum of its proper divisors (144762374).

165442696 is a wasteful number, since it uses less digits than its factorization.

165442696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20680343 (or 20680339 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 165442696 is about 12862.4529542385. The cubic root of 165442696 is about 548.9707428423.

The spelling of 165442696 in words is "one hundred sixty-five million, four hundred forty-two thousand, six hundred ninety-six".