1683207776972 has 12 divisors (see below), whose sum is σ = 2971680987576. Its totient is φ = 834156066240.

The previous prime is 1683207776933. The next prime is 1683207776977. The reversal of 1683207776972 is 2796777023861.

It is a junction number, because it is equal to n+sod(n) for n = 1683207776899 and 1683207776908.

It is not an unprimeable number, because it can be changed into a prime (1683207776977) 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 3 ways as a sum of consecutive naturals, for example, 1861955054 + ... + 1861955957.

It is an arithmetic number, because the mean of its divisors is an integer number (247640082298).

Almost surely, 2^{1683207776972} is an apocalyptic number.

It is an amenable number.

1683207776972 is a deficient number, since it is larger than the sum of its proper divisors (1288473210604).

1683207776972 is a wasteful number, since it uses less digits than its factorization.

1683207776972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723911128 (or 3723911126 counting only the distinct ones).

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 1683207776972 in words is "one trillion, six hundred eighty-three billion, two hundred seven million, seven hundred seventy-six thousand, nine hundred seventy-two".