109165306 has 4 divisors (see below), whose sum is σ = 163747962. Its totient is φ = 54582652.

The previous prime is 109165289. The next prime is 109165307. The reversal of 109165306 is 603561901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603561901 = 227 ⋅2658863.

It can be written as a sum of positive squares in only one way, i.e., 56385081 + 52780225 = 7509^2 + 7265^2 .

It is not an unprimeable number, because it can be changed into a prime (109165307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27291325 + ... + 27291328.

Almost surely, 2^109165306 is an apocalyptic number.

109165306 is a deficient number, since it is larger than the sum of its proper divisors (54582656).

109165306 is an equidigital number, since it uses as much as digits as its factorization.

109165306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54582655.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 109165306 is about 10448.2202312164. The cubic root of 109165306 is about 477.9269771681.

The spelling of 109165306 in words is "one hundred nine million, one hundred sixty-five thousand, three hundred six".