65716488 has 64 divisors (see below), whose sum is σ = 183264000. Its totient is φ = 21819456.

The previous prime is 65716487. The next prime is 65716517. The reversal of 65716488 is 88461756.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65716487) 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 15 ways as a sum of consecutive naturals, for example, 78858 + ... + 79686.

It is an arithmetic number, because the mean of its divisors is an integer number (2863500).

Almost surely, 2^65716488 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 65716488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91632000).

65716488 is an abundant number, since it is smaller than the sum of its proper divisors (117547512).

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

65716488 is a wasteful number, since it uses less digits than its factorization.

65716488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1201 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 65716488 is about 8106.5706682912. The cubic root of 65716488 is about 403.5445149269.

The spelling of 65716488 in words is "sixty-five million, seven hundred sixteen thousand, four hundred eighty-eight".