250022560666 has 8 divisors (see below), whose sum is σ = 375707152980. Its totient is φ = 124786843008.

The previous prime is 250022560643. The next prime is 250022560699. The reversal of 250022560666 is 666065220052.

It can be written as a sum of positive squares in 2 ways, for example, as 184795954641 + 65226606025 = 429879^2 + 255395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×250022560666² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112217271 + ... + 112219498.

Almost surely, 2^250022560666 is an apocalyptic number.

250022560666 is a deficient number, since it is larger than the sum of its proper divisors (125684592314).

250022560666 is a wasteful number, since it uses less digits than its factorization.

250022560666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224437328.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 250022560666 in words is "two hundred fifty billion, twenty-two million, five hundred sixty thousand, six hundred sixty-six".