1688168896 has 28 divisors (see below), whose sum is σ = 3356737000. Its totient is φ = 842376960.

The previous prime is 1688168861. The next prime is 1688168897. The reversal of 1688168896 is 6988618861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1688168897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5506 + ... + 58366.

Almost surely, 2^1688168896 is an apocalyptic number.

1688168896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1688168896 is a deficient number, since it is larger than the sum of its proper divisors (1668568104).

1688168896 is an equidigital number, since it uses as much as digits as its factorization.

1688168896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53372 (or 53362 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 61.

The square root of 1688168896 is about 41087.3325490960. The cubic root of 1688168896 is about 1190.7080728207.

The spelling of 1688168896 in words is "one billion, six hundred eighty-eight million, one hundred sixty-eight thousand, eight hundred ninety-six".