165448834 has 4 divisors (see below), whose sum is σ = 248173254. Its totient is φ = 82724416.

The previous prime is 165448823. The next prime is 165448841. The reversal of 165448834 is 438844561.

165448834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438844561 = 1907 ⋅230123.

It can be written as a sum of positive squares in only one way, i.e., 152596609 + 12852225 = 12353^2 + 3585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41362207 + ... + 41362210.

Almost surely, 2^165448834 is an apocalyptic number.

165448834 is a deficient number, since it is larger than the sum of its proper divisors (82724420).

165448834 is an equidigital number, since it uses as much as digits as its factorization.

165448834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82724419.

The product of its digits is 368640, while the sum is 43.

The square root of 165448834 is about 12862.6915534813. The cubic root of 165448834 is about 548.9775317806.

The spelling of 165448834 in words is "one hundred sixty-five million, four hundred forty-eight thousand, eight hundred thirty-four".