165288434 has 8 divisors (see below), whose sum is σ = 248571180. Its totient is φ = 82431376.

The previous prime is 165288413. The next prime is 165288457. The reversal of 165288434 is 434882561.

165288434 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 2 ways, for example, as 163763209 + 1525225 = 12797^2 + 1235^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 165288391 and 165288400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105449 + ... + 107004.

Almost surely, 2^165288434 is an apocalyptic number.

165288434 is a deficient number, since it is larger than the sum of its proper divisors (83282746).

165288434 is a wasteful number, since it uses less digits than its factorization.

165288434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212844.

The product of its digits is 184320, while the sum is 41.

The square root of 165288434 is about 12856.4549546133. The cubic root of 165288434 is about 548.8000661041.

The spelling of 165288434 in words is "one hundred sixty-five million, two hundred eighty-eight thousand, four hundred thirty-four".