1688930160 has 40 divisors (see below), whose sum is σ = 5235684240. Its totient is φ = 450381312.

The previous prime is 1688930137. The next prime is 1688930213. The reversal of 1688930160 is 610398861.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3518365 + ... + 3518844.

It is an arithmetic number, because the mean of its divisors is an integer number (130892106).

Almost surely, 2^1688930160 is an apocalyptic number.

1688930160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1688930160 is an abundant number, since it is smaller than the sum of its proper divisors (3546754080).

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

1688930160 is a wasteful number, since it uses less digits than its factorization.

1688930160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037225 (or 7037219 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1688930160 is about 41096.5954794311. The cubic root of 1688930160 is about 1190.8870254867.

The spelling of 1688930160 in words is "one billion, six hundred eighty-eight million, nine hundred thirty thousand, one hundred sixty".