65516330 has 32 divisors (see below), whose sum is σ = 132807168. Its totient is φ = 23054400.

The previous prime is 65516329. The next prime is 65516357. The reversal of 65516330 is 3361556.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65516293 and 65516302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6197 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (4150224).

Almost surely, 2^65516330 is an apocalyptic number.

65516330 is an abundant number, since it is smaller than the sum of its proper divisors (67290838).

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

65516330 is a wasteful number, since it uses less digits than its factorization.

65516330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 65516330 is about 8094.2158360152. The cubic root of 65516330 is about 403.1343955906.

Adding to 65516330 its reverse (3361556), we get a palindrome (68877886).

The spelling of 65516330 in words is "sixty-five million, five hundred sixteen thousand, three hundred thirty".