1061868856 has 32 divisors (see below), whose sum is σ = 2014314480. Its totient is φ = 524742400.

The previous prime is 1061868851. The next prime is 1061868859. The reversal of 1061868856 is 6588681601.

It is a super-2 number, since 2×1061868856² = 2255130934685497472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061868851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 444786 + ... + 447166.

Almost surely, 2^1061868856 is an apocalyptic number.

It is an amenable number.

1061868856 is a deficient number, since it is larger than the sum of its proper divisors (952445624).

1061868856 is a wasteful number, since it uses less digits than its factorization.

1061868856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 1061868856 is about 32586.3292808503. The cubic root of 1061868856 is about 1020.2116874494.

The spelling of 1061868856 in words is "one billion, sixty-one million, eight hundred sixty-eight thousand, eight hundred fifty-six".