1983369660 has 48 divisors (see below), whose sum is σ = 5620358016. Its totient is φ = 522524992.

The previous prime is 1983369611. The next prime is 1983369667. The reversal of 1983369660 is 669633891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983369667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194154 + ... + 204113.

It is an arithmetic number, because the mean of its divisors is an integer number (117090792).

Almost surely, 2^1983369660 is an apocalyptic number.

1983369660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1983369660 is an abundant number, since it is smaller than the sum of its proper divisors (3636988356).

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

1983369660 is a wasteful number, since it uses less digits than its factorization.

1983369660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398362 (or 398360 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 1983369660 is about 44535.0385651568. The cubic root of 1983369660 is about 1256.4191730788.

The spelling of 1983369660 in words is "one billion, nine hundred eighty-three million, three hundred sixty-nine thousand, six hundred sixty".