65104866 has 48 divisors (see below), whose sum is σ = 150545304. Its totient is φ = 20262912.

The previous prime is 65104859. The next prime is 65104889. The reversal of 65104866 is 66840156.

It can be written as a sum of positive squares in 4 ways, for example, as 53714241 + 11390625 = 7329^2 + 3375^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65104866.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41146 + ... + 42698.

Almost surely, 2^65104866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65104866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75272652).

65104866 is an abundant number, since it is smaller than the sum of its proper divisors (85440438).

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

65104866 is a wasteful number, since it uses less digits than its factorization.

65104866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 65104866 is about 8068.7586405841. The cubic root of 65104866 is about 402.2886840049.

The spelling of 65104866 in words is "sixty-five million, one hundred four thousand, eight hundred sixty-six".