2146633650 has 360 divisors, whose sum is σ = 7196743620. Its totient is φ = 472469760.

The previous prime is 2146633627. The next prime is 2146633663. The reversal of 2146633650 is 563366412.

2146633650 is a `hidden beast` number, since 2 + 14 + 6 + 633 + 6 + 5 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 843495849 + 1303137801 = 29043^2 + 36099^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 5754864 + ... + 5755236.

Almost surely, 2^2146633650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146633650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598371810).

2146633650 is an abundant number, since it is smaller than the sum of its proper divisors (5050109970).

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

2146633650 is a wasteful number, since it uses less digits than its factorization.

2146633650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2146633650 is about 46331.7779714960. Note that the first 3 decimals coincide. The cubic root of 2146633650 is about 1289.9889128306.

The spelling of 2146633650 in words is "two billion, one hundred forty-six million, six hundred thirty-three thousand, six hundred fifty".