2250407057666 has 16 divisors (see below), whose sum is σ = 3442436718264. Its totient is φ = 1102966859904.

The previous prime is 2250407057641. The next prime is 2250407057707. The reversal of 2250407057666 is 6667507040522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2249463032041 + 944025625 = 1499821^2 + 30725^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9560225 + ... + 9792788.

Almost surely, 2^{2250407057666} is an apocalyptic number.

2250407057666 is a deficient number, since it is larger than the sum of its proper divisors (1192029660598).

2250407057666 is a wasteful number, since it uses less digits than its factorization.

2250407057666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19354165.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 2250407057666 in words is "two trillion, two hundred fifty billion, four hundred seven million, fifty-seven thousand, six hundred sixty-six".