1680281568336 has 40 divisors (see below), whose sum is σ = 4960831297984. Its totient is φ = 480080448000.

The previous prime is 1680281568331. The next prime is 1680281568359. The reversal of 1680281568336 is 6338651820861.

It is a super-2 number, since 2×1680281568336² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680281568331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500418665 + ... + 2500419336.

Almost surely, 2^{1680281568336} is an apocalyptic number.

1680281568336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1680281568336 is an abundant number, since it is smaller than the sum of its proper divisors (3280549729648).

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

1680281568336 is a wasteful number, since it uses less digits than its factorization.

1680281568336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000838019 (or 5000838013 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 1680281568336 in words is "one trillion, six hundred eighty billion, two hundred eighty-one million, five hundred sixty-eight thousand, three hundred thirty-six".