165248416 has 12 divisors (see below), whose sum is σ = 325332882. Its totient is φ = 82624192.

The previous prime is 165248387. The next prime is 165248429. The reversal of 165248416 is 614842561.

It can be written as a sum of positive squares in only one way, i.e., 143904016 + 21344400 = 11996^2 + 4620^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581975 + ... + 2582038.

Almost surely, 2^165248416 is an apocalyptic number.

165248416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165248416 is a deficient number, since it is larger than the sum of its proper divisors (160084466).

165248416 is an equidigital number, since it uses as much as digits as its factorization.

165248416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164023 (or 5164015 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 165248416 is about 12854.8985215753. The cubic root of 165248416 is about 548.7557725155.

The spelling of 165248416 in words is "one hundred sixty-five million, two hundred forty-eight thousand, four hundred sixteen".