610516650 has 96 divisors (see below), whose sum is σ = 1593523008. Its totient is φ = 154483200.

The previous prime is 610516633. The next prime is 610516651. The reversal of 610516650 is 56615016.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (610516651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226209 + ... + 228891.

It is an arithmetic number, because the mean of its divisors is an integer number (16599198).

Almost surely, 2^610516650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610516650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796761504).

610516650 is an abundant number, since it is smaller than the sum of its proper divisors (983006358).

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

610516650 is a wasteful number, since it uses less digits than its factorization.

610516650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 610516650 is about 24708.6351302536. The cubic root of 610516650 is about 848.3319768270.

The spelling of 610516650 in words is "six hundred ten million, five hundred sixteen thousand, six hundred fifty".