6006121650 has 168 divisors, whose sum is σ = 17070933060. Its totient is φ = 1570907520.

The previous prime is 6006121643. The next prime is 6006121661. The reversal of 6006121650 is 561216006.

It is a happy number.

6006121650 is a `hidden beast` number, since 6 + 0 + 0 + 6 + 1 + 2 + 1 + 650 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1817572689 + 4188548961 = 42633^2 + 64719^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1930296 + ... + 1933404.

Almost surely, 2^6006121650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6006121650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8535466530).

6006121650 is an abundant number, since it is smaller than the sum of its proper divisors (11064811410).

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

6006121650 is a wasteful number, since it uses less digits than its factorization.

6006121650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6006121650 is about 77499.1719310600. The cubic root of 6006121650 is about 1817.7383703497.

Adding to 6006121650 its reverse (561216006), we get a palindrome (6567337656).

The spelling of 6006121650 in words is "six billion, six million, one hundred twenty-one thousand, six hundred fifty".