1982596660 has 24 divisors (see below), whose sum is σ = 4541949216. Its totient is φ = 720944160.

The previous prime is 1982596601. The next prime is 1982596669. The reversal of 1982596660 is 666952891.

It is a junction number, because it is equal to n+sod(n) for n = 1982596598 and 1982596607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982596669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505682 + ... + 4506121.

It is an arithmetic number, because the mean of its divisors is an integer number (189247884).

Almost surely, 2^1982596660 is an apocalyptic number.

1982596660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982596660 is an abundant number, since it is smaller than the sum of its proper divisors (2559352556).

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

1982596660 is a wasteful number, since it uses less digits than its factorization.

1982596660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011823 (or 9011821 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1982596660 is about 44526.3591594911. The cubic root of 1982596660 is about 1256.2559259475.

The spelling of 1982596660 in words is "one billion, nine hundred eighty-two million, five hundred ninety-six thousand, six hundred sixty".