108166197 has 4 divisors (see below), whose sum is σ = 144221600. Its totient is φ = 72110796.

The previous prime is 108166169. The next prime is 108166211. The reversal of 108166197 is 791661801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 108166197 - 2¹⁴ = 108149813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108166117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18027697 + ... + 18027702.

It is an arithmetic number, because the mean of its divisors is an integer number (36055400).

Almost surely, 2^108166197 is an apocalyptic number.

It is an amenable number.

108166197 is a deficient number, since it is larger than the sum of its proper divisors (36055403).

108166197 is an equidigital number, since it uses as much as digits as its factorization.

108166197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36055402.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 108166197 is about 10400.2979284249. The cubic root of 108166197 is about 476.4644693683.

The spelling of 108166197 in words is "one hundred eight million, one hundred sixty-six thousand, one hundred ninety-seven".