1083196881 has 60 divisors (see below), whose sum is σ = 1786408668. Its totient is φ = 653567616.

The previous prime is 1083196847. The next prime is 1083196889. The reversal of 1083196881 is 1886913801.

It can be written as a sum of positive squares in 6 ways, for example, as 4665600 + 1078531281 = 2160^2 + 32841^2 .

It is not a de Polignac number, because 1083196881 - 2⁹ = 1083196369 is a prime.

It is a super-2 number, since 2×1083196881² = 2346630966016256322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1083196889) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 724771 + ... + 726263.

Almost surely, 2^1083196881 is an apocalyptic number.

It is an amenable number.

1083196881 is a deficient number, since it is larger than the sum of its proper divisors (703211787).

1083196881 is a wasteful number, since it uses less digits than its factorization.

1083196881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1083196881 is about 32911.9565051973. The cubic root of 1083196881 is about 1026.9969021965.

The spelling of 1083196881 in words is "one billion, eighty-three million, one hundred ninety-six thousand, eight hundred eighty-one".