65800716 has 12 divisors (see below), whose sum is σ = 153535032. Its totient is φ = 21933568.

The previous prime is 65800699. The next prime is 65800729. The reversal of 65800716 is 61700856.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×65800716² = 8659468452225312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741685 + ... + 2741708.

It is an arithmetic number, because the mean of its divisors is an integer number (12794586).

Almost surely, 2^65800716 is an apocalyptic number.

It is an amenable number.

65800716 is an abundant number, since it is smaller than the sum of its proper divisors (87734316).

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

65800716 is a wasteful number, since it uses less digits than its factorization.

65800716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483400 (or 5483398 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 65800716 is about 8111.7640498229. The cubic root of 65800716 is about 403.7168473068.

The spelling of 65800716 in words is "sixty-five million, eight hundred thousand, seven hundred sixteen".