65589016 has 8 divisors (see below), whose sum is σ = 122979420. Its totient is φ = 32794504.

The previous prime is 65589011. The next prime is 65589067. The reversal of 65589016 is 61098556.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65589016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65589011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099306 + ... + 4099321.

Almost surely, 2^65589016 is an apocalyptic number.

It is an amenable number.

65589016 is a deficient number, since it is larger than the sum of its proper divisors (57390404).

65589016 is a wasteful number, since it uses less digits than its factorization.

65589016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198633 (or 8198629 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 65589016 is about 8098.7045877720. The cubic root of 65589016 is about 403.2834240697.

The spelling of 65589016 in words is "sixty-five million, five hundred eighty-nine thousand, sixteen".