165449434 has 8 divisors (see below), whose sum is σ = 248284800. Its totient is φ = 82687836.

The previous prime is 165449429. The next prime is 165449467. The reversal of 165449434 is 434944561.

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

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, 12444 + ... + 22039.

It is an arithmetic number, because the mean of its divisors is an integer number (31035600).

Almost surely, 2^165449434 is an apocalyptic number.

165449434 is a deficient number, since it is larger than the sum of its proper divisors (82835366).

165449434 is a wasteful number, since it uses less digits than its factorization.

165449434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36884.

The product of its digits is 207360, while the sum is 40.

The square root of 165449434 is about 12862.7148767280. The cubic root of 165449434 is about 548.9781954019.

The spelling of 165449434 in words is "one hundred sixty-five million, four hundred forty-nine thousand, four hundred thirty-four".