1081831516 has 12 divisors (see below), whose sum is σ = 2004570288. Its totient is φ = 509097152.

The previous prime is 1081831483. The next prime is 1081831529. The reversal of 1081831516 is 6151381801.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 7954576 + ... + 7954711.

It is an arithmetic number, because the mean of its divisors is an integer number (167047524).

Almost surely, 2^1081831516 is an apocalyptic number.

It is an amenable number.

1081831516 is a deficient number, since it is larger than the sum of its proper divisors (922738772).

1081831516 is a wasteful number, since it uses less digits than its factorization.

1081831516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15909308 (or 15909306 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1081831516 is about 32891.2072748934. The cubic root of 1081831516 is about 1026.5652123750.

The spelling of 1081831516 in words is "one billion, eighty-one million, eight hundred thirty-one thousand, five hundred sixteen".