1050055666 has 12 divisors (see below), whose sum is σ = 1731290526. Its totient is φ = 477297920.

The previous prime is 1050055649. The next prime is 1050055673. The reversal of 1050055666 is 6665500501.

It can be written as a sum of positive squares in only one way, i.e., 1021122025 + 28933641 = 31955^2 + 5379^2 .

It is a super-2 number, since 2×1050055666² = 2205233803397407112, which contains 22 as substring.

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, 2169295 + ... + 2169778.

Almost surely, 2^1050055666 is an apocalyptic number.

1050055666 is a deficient number, since it is larger than the sum of its proper divisors (681234860).

1050055666 is a wasteful number, since it uses less digits than its factorization.

1050055666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339097 (or 4339086 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1050055666 is about 32404.5624256832. The cubic root of 1050055666 is about 1016.4143179957.

It can be divided in two parts, 10500 and 55666, that added together give a palindrome (66166).

The spelling of 1050055666 in words is "one billion, fifty million, fifty-five thousand, six hundred sixty-six".