83664416 has 24 divisors (see below), whose sum is σ = 179689104. Its totient is φ = 38029120.

The previous prime is 83664403. The next prime is 83664431. The reversal of 83664416 is 61446638.

It is a self number, because there is not a number n which added to its sum of digits gives 83664416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118490 + ... + 119193.

It is an arithmetic number, because the mean of its divisors is an integer number (7487046).

Almost surely, 2^83664416 is an apocalyptic number.

It is an amenable number.

83664416 is an abundant number, since it is smaller than the sum of its proper divisors (96024688).

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

83664416 is a wasteful number, since it uses less digits than its factorization.

83664416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237704 (or 237696 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 83664416 is about 9146.8254602348. The cubic root of 83664416 is about 437.3679226889.

The spelling of 83664416 in words is "eighty-three million, six hundred sixty-four thousand, four hundred sixteen".