1081833660 has 72 divisors (see below), whose sum is σ = 3387436416. Its totient is φ = 279181440.

The previous prime is 1081833659. The next prime is 1081833677. The reversal of 1081833660 is 663381801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 91359 + ... + 102518.

It is an arithmetic number, because the mean of its divisors is an integer number (47047728).

Almost surely, 2^1081833660 is an apocalyptic number.

1081833660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081833660 is an abundant number, since it is smaller than the sum of its proper divisors (2305602756).

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

1081833660 is a wasteful number, since it uses less digits than its factorization.

1081833660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193923 (or 193918 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1081833660 is about 32891.2398671744. The cubic root of 1081833660 is about 1026.5658905318.

The spelling of 1081833660 in words is "one billion, eighty-one million, eight hundred thirty-three thousand, six hundred sixty".