650006616 has 128 divisors (see below), whose sum is σ = 1911029760. Its totient is φ = 180393600.

The previous prime is 650006563. The next prime is 650006677. The reversal of 650006616 is 616600056.

It is a congruent number.

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, 1507921 + ... + 1508351.

It is an arithmetic number, because the mean of its divisors is an integer number (14929920).

Almost surely, 2^650006616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650006616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955514880).

650006616 is an abundant number, since it is smaller than the sum of its proper divisors (1261023144).

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

650006616 is a wasteful number, since it uses less digits than its factorization.

650006616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 650006616 is about 25495.2273180688. The cubic root of 650006616 is about 866.2420443247.

The spelling of 650006616 in words is "six hundred fifty million, six thousand, six hundred sixteen".