2550303666 has 12 divisors (see below), whose sum is σ = 5525657982. Its totient is φ = 850101216.

The previous prime is 2550303653. The next prime is 2550303757. The reversal of 2550303666 is 6663030552.

It can be written as a sum of positive squares in only one way, i.e., 2104882641 + 445421025 = 45879^2 + 21105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2550303666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70841751 + ... + 70841786.

Almost surely, 2^2550303666 is an apocalyptic number.

2550303666 is an abundant number, since it is smaller than the sum of its proper divisors (2975354316).

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

2550303666 is a wasteful number, since it uses less digits than its factorization.

2550303666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141683545 (or 141683542 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 2550303666 is about 50500.5313437393. The cubic root of 2550303666 is about 1366.2514369589.

The spelling of 2550303666 in words is "two billion, five hundred fifty million, three hundred three thousand, six hundred sixty-six".