111666105626 has 16 divisors (see below), whose sum is σ = 176332010400. Its totient is φ = 52889339088.

The previous prime is 111666105559. The next prime is 111666105653. The reversal of 111666105626 is 626501666111.

111666105626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269741 + ... + 544143.

It is an arithmetic number, because the mean of its divisors is an integer number (11020750650).

Almost surely, 2^111666105626 is an apocalyptic number.

111666105626 is a deficient number, since it is larger than the sum of its proper divisors (64665904774).

111666105626 is a wasteful number, since it uses less digits than its factorization.

111666105626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285133.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 111666105626 in words is "one hundred eleven billion, six hundred sixty-six million, one hundred five thousand, six hundred twenty-six".