109055966 has 4 divisors (see below), whose sum is σ = 163583952. Its totient is φ = 54527982.

The previous prime is 109055963. The next prime is 109055971. The reversal of 109055966 is 669550901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669550901 = 12697 ⋅52733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109055963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27263990 + ... + 27263993.

It is an arithmetic number, because the mean of its divisors is an integer number (40895988).

Almost surely, 2^109055966 is an apocalyptic number.

109055966 is a deficient number, since it is larger than the sum of its proper divisors (54527986).

109055966 is an equidigital number, since it uses as much as digits as its factorization.

109055966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54527985.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 109055966 is about 10442.9864502450. The cubic root of 109055966 is about 477.7673599355.

The spelling of 109055966 in words is "one hundred nine million, fifty-five thousand, nine hundred sixty-six".