163334416 has 20 divisors (see below), whose sum is σ = 361669312. Its totient is φ = 70000416.

The previous prime is 163334411. The next prime is 163334441. The reversal of 163334416 is 614433361.

It is a happy number.

It is a super-2 number, since 2×163334416² = 53356262900122112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163334411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729060 + ... + 729283.

Almost surely, 2^163334416 is an apocalyptic number.

163334416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163334416 is an abundant number, since it is smaller than the sum of its proper divisors (198334896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163334416 is a wasteful number, since it uses less digits than its factorization.

163334416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458358 (or 1458352 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 163334416 is about 12780.2353655948. The cubic root of 163334416 is about 546.6288737175.

Adding to 163334416 its reverse (614433361), we get a palindrome (777767777).

The spelling of 163334416 in words is "one hundred sixty-three million, three hundred thirty-four thousand, four hundred sixteen".