1680016425425 has 24 divisors (see below), whose sum is σ = 2275066261440. Its totient is φ = 1223153870400.

The previous prime is 1680016425403. The next prime is 1680016425467. The reversal of 1680016425425 is 5245246100861.

It is not a de Polignac number, because 1680016425425 - 2¹² = 1680016421329 is a prime.

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, 36380315 + ... + 36426464.

It is an arithmetic number, because the mean of its divisors is an integer number (94794427560).

Almost surely, 2^{1680016425425} is an apocalyptic number.

It is an amenable number.

1680016425425 is a deficient number, since it is larger than the sum of its proper divisors (595049836015).

1680016425425 is a wasteful number, since it uses less digits than its factorization.

1680016425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72806873 (or 72806868 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 1680016425425 in words is "one trillion, six hundred eighty billion, sixteen million, four hundred twenty-five thousand, four hundred twenty-five".