65716416 has 84 divisors (see below), whose sum is σ = 189508384. Its totient is φ = 21772800.

The previous prime is 65716397. The next prime is 65716423. The reversal of 65716416 is 61461756.

65716416 is a `hidden beast` number, since 6 + 5 + 7 + 1 + 641 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 155886 + ... + 156306.

Almost surely, 2^65716416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65716416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94754192).

65716416 is an abundant number, since it is smaller than the sum of its proper divisors (123791968).

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

65716416 is a wasteful number, since it uses less digits than its factorization.

65716416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 697 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 65716416 is about 8106.5662274480. The cubic root of 65716416 is about 403.5443675503.

The spelling of 65716416 in words is "sixty-five million, seven hundred sixteen thousand, four hundred sixteen".