1056666676 has 24 divisors (see below), whose sum is σ = 1992294920. Its totient is φ = 487475712.

The previous prime is 1056666673. The next prime is 1056666691. The reversal of 1056666676 is 6766666501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11696400 + 1044970276 = 3420^2 + 32326^2 .

It is a super-2 number, since 2×1056666676² = 2233088928337777952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056666673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221080 + ... + 225808.

Almost surely, 2^1056666676 is an apocalyptic number.

It is an amenable number.

1056666676 is a deficient number, since it is larger than the sum of its proper divisors (935628244).

1056666676 is a wasteful number, since it uses less digits than its factorization.

1056666676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9043 (or 9041 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 1056666676 is about 32506.4097679212. The cubic root of 1056666676 is about 1018.5429266055.

The spelling of 1056666676 in words is "one billion, fifty-six million, six hundred sixty-six thousand, six hundred seventy-six".