109443516 has 192 divisors, whose sum is σ = 335978496. Its totient is φ = 26956800.

The previous prime is 109443511. The next prime is 109443539. The reversal of 109443516 is 615344901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109443511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1794126 + ... + 1794186.

It is an arithmetic number, because the mean of its divisors is an integer number (1749888).

Almost surely, 2^109443516 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 109443516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167989248).

109443516 is an abundant number, since it is smaller than the sum of its proper divisors (226534980).

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

109443516 is a wasteful number, since it uses less digits than its factorization.

109443516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 109443516 is about 10461.5255101730. The cubic root of 109443516 is about 478.3326349574.

The spelling of 109443516 in words is "one hundred nine million, four hundred forty-three thousand, five hundred sixteen".