65944956 has 192 divisors, whose sum is σ = 209018880. Its totient is φ = 15671040.

The previous prime is 65944939. The next prime is 65944961.

65944956 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616255 + ... + 616361.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^65944956 is an apocalyptic number.

65944956 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65944956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104509440).

65944956 is an abundant number, since it is smaller than the sum of its proper divisors (143073924).

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

65944956 is a wasteful number, since it uses less digits than its factorization.

65944956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 65944956 is about 8120.6499739861. The cubic root of 65944956 is about 404.0116243428.

The spelling of 65944956 in words is "sixty-five million, nine hundred forty-four thousand, nine hundred fifty-six".