109001688 has 64 divisors (see below), whose sum is σ = 289668960. Its totient is φ = 34062336.

The previous prime is 109001681. The next prime is 109001699. The reversal of 109001688 is 886100901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109001681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176356 + ... + 176972.

Almost surely, 2^109001688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109001688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144834480).

109001688 is an abundant number, since it is smaller than the sum of its proper divisors (180667272).

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

109001688 is a wasteful number, since it uses less digits than its factorization.

109001688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 109001688 is about 10440.3873491360. The cubic root of 109001688 is about 477.6880839419.

The spelling of 109001688 in words is "one hundred nine million, one thousand, six hundred eighty-eight".