1680897625608 has 32 divisors (see below), whose sum is σ = 4299970672800. Its totient is φ = 547268994048.

The previous prime is 1680897625489. The next prime is 1680897625613. The reversal of 1680897625608 is 8065267980861.

It is a super-2 number, since 2×1680897625608² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 814387353 + ... + 814389416.

It is an arithmetic number, because the mean of its divisors is an integer number (134374083525).

Almost surely, 2^{1680897625608} is an apocalyptic number.

It is an amenable number.

1680897625608 is an abundant number, since it is smaller than the sum of its proper divisors (2619073047192).

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

1680897625608 is a wasteful number, since it uses less digits than its factorization.

1680897625608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628776821 (or 1628776817 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 1680897625608 in words is "one trillion, six hundred eighty billion, eight hundred ninety-seven million, six hundred twenty-five thousand, six hundred eight".