1970666633984 has 18 divisors (see below), whose sum is σ = 3933635351940. Its totient is φ = 985333316864.

The previous prime is 1970666633981. The next prime is 1970666634017. The reversal of 1970666633984 is 4893366660791.

It is not an unprimeable number, because it can be changed into a prime (1970666633981) 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 as a sum of consecutive naturals, namely, 3848958014 + ... + 3848958525.

It is an arithmetic number, because the mean of its divisors is an integer number (218535297330).

Almost surely, 2^{1970666633984} is an apocalyptic number.

It is an amenable number.

1970666633984 is a deficient number, since it is larger than the sum of its proper divisors (1962968717956).

1970666633984 is an frugal number, since it uses more digits than its factorization.

1970666633984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697916555 (or 7697916541 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 68.

The spelling of 1970666633984 in words is "one trillion, nine hundred seventy billion, six hundred sixty-six million, six hundred thirty-three thousand, nine hundred eighty-four".