65854045856 has 24 divisors (see below), whose sum is σ = 130933824084. Its totient is φ = 32601011200.

The previous prime is 65854045801. The next prime is 65854045879.

65854045856 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 40757149456 + 25096896400 = 201884^2 + 158420^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10184585 + ... + 10191048.

Almost surely, 2^65854045856 is an apocalyptic number.

It is an amenable number.

65854045856 is a deficient number, since it is larger than the sum of its proper divisors (65079778228).

65854045856 is a wasteful number, since it uses less digits than its factorization.

65854045856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20375744 (or 20375736 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 56.

The spelling of 65854045856 in words is "sixty-five billion, eight hundred fifty-four million, forty-five thousand, eight hundred fifty-six".