109206816 has 48 divisors (see below), whose sum is σ = 289233504. Its totient is φ = 36076544.

The previous prime is 109206787. The next prime is 109206841. The reversal of 109206816 is 618602901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×109206816² = 23852257321715712, which contains 22 as substring.

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, 5815 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (6025698).

Almost surely, 2^109206816 is an apocalyptic number.

109206816 is a gapful number since it is divisible by the number (16) 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 109206816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144616752).

109206816 is an abundant number, since it is smaller than the sum of its proper divisors (180026688).

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

109206816 is a wasteful number, since it uses less digits than its factorization.

109206816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10193 (or 10185 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 109206816 is about 10450.2065051366. The cubic root of 109206816 is about 477.9875465789.

The spelling of 109206816 in words is "one hundred nine million, two hundred six thousand, eight hundred sixteen".