65044061664056 has 32 divisors (see below), whose sum is σ = 122580489929040. Its totient is φ = 32355941253888.

The previous prime is 65044061664041. The next prime is 65044061664061. The reversal of 65044061664056 is 65046616044056.

It is a super-2 number, since 2×65044061664056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65044061663989 and 65044061664007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51562895 + ... + 52809281.

Almost surely, 2^{65044061664056} is an apocalyptic number.

It is an amenable number.

65044061664056 is a deficient number, since it is larger than the sum of its proper divisors (57536428264984).

65044061664056 is a wasteful number, since it uses less digits than its factorization.

65044061664056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279703 (or 1279699 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 65044061664056 in words is "sixty-five trillion, forty-four billion, sixty-one million, six hundred sixty-four thousand, fifty-six".