4661215650 has 576 divisors, whose sum is σ = 16573939200. Its totient is φ = 931392000.

The previous prime is 4661215619. The next prime is 4661215651. The reversal of 4661215650 is 565121664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661215651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 46150600 + ... + 46150700.

It is an arithmetic number, because the mean of its divisors is an integer number (28774200).

Almost surely, 2^4661215650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4661215650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8286969600).

4661215650 is an abundant number, since it is smaller than the sum of its proper divisors (11912723550).

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

4661215650 is a wasteful number, since it uses less digits than its factorization.

4661215650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4661215650 is about 68273.0960920918. The cubic root of 4661215650 is about 1670.4484017090.

The spelling of 4661215650 in words is "four billion, six hundred sixty-one million, two hundred fifteen thousand, six hundred fifty".