1688859060 has 96 divisors (see below), whose sum is σ = 5418766080. Its totient is φ = 384995328.

The previous prime is 1688859059. The next prime is 1688859083. The reversal of 1688859060 is 609588861.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1688858994 and 1688859012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158212 + ... + 168548.

It is an arithmetic number, because the mean of its divisors is an integer number (56445480).

Almost surely, 2^1688859060 is an apocalyptic number.

1688859060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1688859060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709383040).

1688859060 is an abundant number, since it is smaller than the sum of its proper divisors (3729907020).

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

1688859060 is a wasteful number, since it uses less digits than its factorization.

1688859060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745 (or 10743 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 1688859060 is about 41095.7304351681. The cubic root of 1688859060 is about 1190.8703140683.

The spelling of 1688859060 in words is "one billion, six hundred eighty-eight million, eight hundred fifty-nine thousand, sixty".