65020016 has 40 divisors (see below), whose sum is σ = 129110784. Its totient is φ = 31711680.

The previous prime is 65020013. The next prime is 65020027. The reversal of 65020016 is 61002056.

It is a self number, because there is not a number n which added to its sum of digits gives 65020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65020013) 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, 140201 + ... + 140663.

Almost surely, 2^65020016 is an apocalyptic number.

It is an amenable number.

65020016 is a deficient number, since it is larger than the sum of its proper divisors (64090768).

65020016 is a wasteful number, since it uses less digits than its factorization.

65020016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 65020016 is about 8063.4989923730. The cubic root of 65020016 is about 402.1138428268.

The spelling of 65020016 in words is "sixty-five million, twenty thousand, sixteen".