65852631616 has 28 divisors (see below), whose sum is σ = 131360509440. Its totient is φ = 32753920640.

The previous prime is 65852631613. The next prime is 65852631619. The reversal of 65852631616 is 61613625856.

65852631616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65852631613) and next prime (65852631619).

It is a self number, because there is not a number n which added to its sum of digits gives 65852631616.

It is not an unprimeable number, because it can be changed into a prime (65852631613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681356 + ... + 2705803.

Almost surely, 2^65852631616 is an apocalyptic number.

It is an amenable number.

65852631616 is a deficient number, since it is larger than the sum of its proper divisors (65507877824).

65852631616 is a wasteful number, since it uses less digits than its factorization.

65852631616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387362 (or 5387352 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The spelling of 65852631616 in words is "sixty-five billion, eight hundred fifty-two million, six hundred thirty-one thousand, six hundred sixteen".