65693056 has 128 divisors (see below), whose sum is σ = 159536160. Its totient is φ = 26542080.

The previous prime is 65693053. The next prime is 65693063. The reversal of 65693056 is 65039656.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65693053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677200 + ... + 677296.

Almost surely, 2^65693056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65693056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79768080).

65693056 is an abundant number, since it is smaller than the sum of its proper divisors (93843104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65693056 is a wasteful number, since it uses less digits than its factorization.

65693056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 65693056 is about 8105.1252920606. The cubic root of 65693056 is about 403.4965463503.

The spelling of 65693056 in words is "sixty-five million, six hundred ninety-three thousand, fifty-six".