65828516 has 24 divisors (see below), whose sum is σ = 126101304. Its totient is φ = 29882880.

The previous prime is 65828509. The next prime is 65828519. The reversal of 65828516 is 61582856.

It can be written as a sum of positive squares in 4 ways, for example, as 2689600 + 63138916 = 1640^2 + 7946^2 .

It is not an unprimeable number, because it can be changed into a prime (65828519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (5254221).

Almost surely, 2^65828516 is an apocalyptic number.

It is an amenable number.

65828516 is a deficient number, since it is larger than the sum of its proper divisors (60272788).

65828516 is a wasteful number, since it uses less digits than its factorization.

65828516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831 (or 20829 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 65828516 is about 8113.4774295613. The cubic root of 65828516 is about 403.7736944498.

The spelling of 65828516 in words is "sixty-five million, eight hundred twenty-eight thousand, five hundred sixteen".