3808650066 has 48 divisors (see below), whose sum is σ = 8361425856. Its totient is φ = 1149715008.

The previous prime is 3808650061. The next prime is 3808650077. The reversal of 3808650066 is 6600568083.

It is not an unprimeable number, because it can be changed into a prime (3808650061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210411 + ... + 227793.

It is an arithmetic number, because the mean of its divisors is an integer number (174196372).

Almost surely, 2^3808650066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3808650066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4180712928).

3808650066 is an abundant number, since it is smaller than the sum of its proper divisors (4552775790).

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

3808650066 is a wasteful number, since it uses less digits than its factorization.

3808650066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17507 (or 17454 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3808650066 is about 61714.2614474159. The cubic root of 3808650066 is about 1561.6739190126.

The spelling of 3808650066 in words is "three billion, eight hundred eight million, six hundred fifty thousand, sixty-six".