65056516 has 18 divisors (see below), whose sum is σ = 132436878. Its totient is φ = 27881280.

The previous prime is 65056499. The next prime is 65056543. The reversal of 65056516 is 61565056.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 254016 = 8050^2 + 504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165765 + ... + 166156.

Almost surely, 2^65056516 is an apocalyptic number.

It is an amenable number.

65056516 is an abundant number, since it is smaller than the sum of its proper divisors (67380362).

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

65056516 is a wasteful number, since it uses less digits than its factorization.

65056516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331939 (or 331930 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 65056516 is about 8065.7619602862. The cubic root of 65056516 is about 402.1890730436.

The spelling of 65056516 in words is "sixty-five million, fifty-six thousand, five hundred sixteen".