2066959650 has 288 divisors, whose sum is σ = 6447712320. Its totient is φ = 436665600.

The previous prime is 2066959613. The next prime is 2066959651. The reversal of 2066959650 is 569596602.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066959650.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066959651) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50413630 + ... + 50413670.

It is an arithmetic number, because the mean of its divisors is an integer number (22387890).

Almost surely, 2^2066959650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066959650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223856160).

2066959650 is an abundant number, since it is smaller than the sum of its proper divisors (4380752670).

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

2066959650 is a wasteful number, since it uses less digits than its factorization.

2066959650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 2066959650 is about 45463.8279294650. The cubic root of 2066959650 is about 1273.8276343712.

The spelling of 2066959650 in words is "two billion, sixty-six million, nine hundred fifty-nine thousand, six hundred fifty".