1083997660 has 48 divisors (see below), whose sum is σ = 2330496000. Its totient is φ = 423339840.

The previous prime is 1083997643. The next prime is 1083997703. The reversal of 1083997660 is 667993801.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467905 + ... + 470215.

It is an arithmetic number, because the mean of its divisors is an integer number (48552000).

Almost surely, 2^1083997660 is an apocalyptic number.

1083997660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1083997660 is an abundant number, since it is smaller than the sum of its proper divisors (1246498340).

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

1083997660 is a wasteful number, since it uses less digits than its factorization.

1083997660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1083997660 is about 32924.1197300702. The cubic root of 1083997660 is about 1027.2499171350.

The spelling of 1083997660 in words is "one billion, eighty-three million, nine hundred ninety-seven thousand, six hundred sixty".