1680286696 has 32 divisors (see below), whose sum is σ = 3463210080. Its totient is φ = 757931200.

The previous prime is 1680286637. The next prime is 1680286703. The reversal of 1680286696 is 6966820861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61351 + ... + 84406.

It is an arithmetic number, because the mean of its divisors is an integer number (108225315).

Almost surely, 2^1680286696 is an apocalyptic number.

It is an amenable number.

1680286696 is an abundant number, since it is smaller than the sum of its proper divisors (1782923384).

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

1680286696 is a wasteful number, since it uses less digits than its factorization.

1680286696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145905 (or 145901 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 1680286696 is about 40991.3002477355. The cubic root of 1680286696 is about 1188.8520096685.

It can be divided in two parts, 168028 and 6696, that added together give a square (174724 = 418²).

The spelling of 1680286696 in words is "one billion, six hundred eighty million, two hundred eighty-six thousand, six hundred ninety-six".