1056661108 has 12 divisors (see below), whose sum is σ = 1850196292. Its totient is φ = 528033600.

The previous prime is 1056661051. The next prime is 1056661127. The reversal of 1056661108 is 8011666501.

It can be written as a sum of positive squares in 2 ways, for example, as 173501584 + 883159524 = 13172^2 + 29718^2 .

It is a super-2 number, since 2×1056661108² = 2233065394319575328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66135 + ... + 80542.

Almost surely, 2^1056661108 is an apocalyptic number.

It is an amenable number.

1056661108 is a deficient number, since it is larger than the sum of its proper divisors (793535184).

1056661108 is a wasteful number, since it uses less digits than its factorization.

1056661108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148482 (or 148480 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1056661108 is about 32506.3241231610. The cubic root of 1056661108 is about 1018.5411375654.

The spelling of 1056661108 in words is "one billion, fifty-six million, six hundred sixty-one thousand, one hundred eight".