1688828568 has 32 divisors (see below), whose sum is σ = 4825224960. Its totient is φ = 482522400.

The previous prime is 1688828539. The next prime is 1688828573. The reversal of 1688828568 is 8658288861.

It is a congruent number.

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, 5026108 + ... + 5026443.

It is an arithmetic number, because the mean of its divisors is an integer number (150788280).

Almost surely, 2^1688828568 is an apocalyptic number.

It is an amenable number.

1688828568 is an abundant number, since it is smaller than the sum of its proper divisors (3136396392).

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

1688828568 is a wasteful number, since it uses less digits than its factorization.

1688828568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052567 (or 10052563 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 60.

The square root of 1688828568 is about 41095.3594460494. The cubic root of 1688828568 is about 1190.8631470530.

The spelling of 1688828568 in words is "one billion, six hundred eighty-eight million, eight hundred twenty-eight thousand, five hundred sixty-eight".