1680602992 has 20 divisors (see below), whose sum is σ = 3260669776. Its totient is φ = 839139840.

The previous prime is 1680602981. The next prime is 1680602999. The reversal of 1680602992 is 2992060861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680602999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60609 + ... + 83872.

Almost surely, 2^1680602992 is an apocalyptic number.

It is an amenable number.

1680602992 is a deficient number, since it is larger than the sum of its proper divisors (1580066784).

1680602992 is a wasteful number, since it uses less digits than its factorization.

1680602992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145216 (or 145210 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1680602992 is about 40995.1581531283. The cubic root of 1680602992 is about 1188.9266012138.

The spelling of 1680602992 in words is "one billion, six hundred eighty million, six hundred two thousand, nine hundred ninety-two".