111106506166 has 4 divisors (see below), whose sum is σ = 166659759252. Its totient is φ = 55553253082.

The previous prime is 111106506163. The next prime is 111106506179. The reversal of 111106506166 is 661605601111.

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 (111106506163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776626540 + ... + 27776626543.

It is an arithmetic number, because the mean of its divisors is an integer number (41664939813).

Almost surely, 2^111106506166 is an apocalyptic number.

111106506166 is a deficient number, since it is larger than the sum of its proper divisors (55553253086).

111106506166 is an equidigital number, since it uses as much as digits as its factorization.

111106506166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55553253085.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 111106506166 in words is "one hundred eleven billion, one hundred six million, five hundred six thousand, one hundred sixty-six".