1081566882 has 48 divisors (see below), whose sum is σ = 2561131872. Its totient is φ = 327144960.

The previous prime is 1081566851. The next prime is 1081566901. The reversal of 1081566882 is 2886651801.

1081566882 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 566 + 8 + 82 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109513 + ... + 118979.

It is an arithmetic number, because the mean of its divisors is an integer number (53356914).

Almost surely, 2^1081566882 is an apocalyptic number.

1081566882 is an abundant number, since it is smaller than the sum of its proper divisors (1479564990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081566882 is a wasteful number, since it uses less digits than its factorization.

1081566882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063 (or 10060 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 1081566882 is about 32887.1841603990. The cubic root of 1081566882 is about 1026.4815005682.

The spelling of 1081566882 in words is "one billion, eighty-one million, five hundred sixty-six thousand, eight hundred eighty-two".