1680069412 has 24 divisors (see below), whose sum is σ = 3476007360. Its totient is φ = 695200800.

The previous prime is 1680069409. The next prime is 1680069437. The reversal of 1680069412 is 2149600861.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033714 + ... + 1035337.

It is an arithmetic number, because the mean of its divisors is an integer number (144833640).

Almost surely, 2^1680069412 is an apocalyptic number.

It is an amenable number.

1680069412 is an abundant number, since it is smaller than the sum of its proper divisors (1795937948).

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

1680069412 is a wasteful number, since it uses less digits than its factorization.

1680069412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069091 (or 2069089 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1680069412 is about 40988.6497947908. The cubic root of 1680069412 is about 1188.8007625300.

The spelling of 1680069412 in words is "one billion, six hundred eighty million, sixty-nine thousand, four hundred twelve".