109163206 has 4 divisors (see below), whose sum is σ = 163744812. Its totient is φ = 54581602.

The previous prime is 109163203. The next prime is 109163213. The reversal of 109163206 is 602361901.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109163203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27290800 + ... + 27290803.

It is an arithmetic number, because the mean of its divisors is an integer number (40936203).

Almost surely, 2^109163206 is an apocalyptic number.

109163206 is a deficient number, since it is larger than the sum of its proper divisors (54581606).

109163206 is an equidigital number, since it uses as much as digits as its factorization.

109163206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54581605.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 109163206 is about 10448.1197351485. The cubic root of 109163206 is about 477.9239125403.

The spelling of 109163206 in words is "one hundred nine million, one hundred sixty-three thousand, two hundred six".