65683650 has 48 divisors (see below), whose sum is σ = 163453824. Its totient is φ = 17455680.

The previous prime is 65683649. The next prime is 65683663. The reversal of 65683650 is 5638656.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65683599 and 65683608.

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 23 ways as a sum of consecutive naturals, for example, 58999 + ... + 60101.

It is an arithmetic number, because the mean of its divisors is an integer number (3405288).

Almost surely, 2^65683650 is an apocalyptic number.

65683650 is an abundant number, since it is smaller than the sum of its proper divisors (97770174).

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

65683650 is a wasteful number, since it uses less digits than its factorization.

65683650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 65683650 is about 8104.5450211594. The cubic root of 65683650 is about 403.4772877462.

The spelling of 65683650 in words is "sixty-five million, six hundred eighty-three thousand, six hundred fifty".