65068866 has 64 divisors (see below), whose sum is σ = 153763200. Its totient is φ = 20357568.

The previous prime is 65068853. The next prime is 65068891. The reversal of 65068866 is 66886056.

65068866 is a `hidden beast` number, since 6 + 506 + 88 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57381 + ... + 58503.

It is an arithmetic number, because the mean of its divisors is an integer number (2402550).

Almost surely, 2^65068866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65068866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76881600).

65068866 is an abundant number, since it is smaller than the sum of its proper divisors (88694334).

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

65068866 is a wasteful number, since it uses less digits than its factorization.

65068866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 65068866 is about 8066.5275056867. The cubic root of 65068866 is about 402.2145212799.

The spelling of 65068866 in words is "sixty-five million, sixty-eight thousand, eight hundred sixty-six".