650065656 has 16 divisors (see below), whose sum is σ = 1625164200. Its totient is φ = 216688544.

The previous prime is 650065643. The next prime is 650065673. The reversal of 650065656 is 656560056.

It is a happy number.

It is a super-2 number, since 2×650065656² = 845170714221420672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13543011 + ... + 13543058.

Almost surely, 2^650065656 is an apocalyptic number.

It is an amenable number.

650065656 is an abundant number, since it is smaller than the sum of its proper divisors (975098544).

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

650065656 is a wasteful number, since it uses less digits than its factorization.

650065656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27086078 (or 27086074 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 650065656 is about 25496.3851555471. The cubic root of 650065656 is about 866.2682704075.

The spelling of 650065656 in words is "six hundred fifty million, sixty-five thousand, six hundred fifty-six".