1983201066 has 48 divisors (see below), whose sum is σ = 5357222208. Its totient is φ = 515116800.

The previous prime is 1983201007. The next prime is 1983201091. The reversal of 1983201066 is 6601023891.

It is a self number, because there is not a number n which added to its sum of digits gives 1983201066.

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, 714055 + ... + 716826.

It is an arithmetic number, because the mean of its divisors is an integer number (111608796).

Almost surely, 2^1983201066 is an apocalyptic number.

1983201066 is an abundant number, since it is smaller than the sum of its proper divisors (3374021142).

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

1983201066 is a wasteful number, since it uses less digits than its factorization.

1983201066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430907 (or 1430904 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1983201066 is about 44533.1457007025. The cubic root of 1983201066 is about 1256.3835719264.

The spelling of 1983201066 in words is "one billion, nine hundred eighty-three million, two hundred one thousand, sixty-six".