65513016 has 64 divisors (see below), whose sum is σ = 189907200. Its totient is φ = 20886624.

The previous prime is 65513003. The next prime is 65513023. The reversal of 65513016 is 61031556.

It is a happy number.

65513016 is a `hidden beast` number, since 655 + 1 + 3 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 1626 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (2967300).

Almost surely, 2^65513016 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 65513016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94953600).

65513016 is an abundant number, since it is smaller than the sum of its proper divisors (124394184).

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

65513016 is a wasteful number, since it uses less digits than its factorization.

65513016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225 (or 13215 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 65513016 is about 8094.0111193400. The cubic root of 65513016 is about 403.1275982526.

The spelling of 65513016 in words is "sixty-five million, five hundred thirteen thousand, sixteen".