111066166585 has 32 divisors (see below), whose sum is σ = 153487152000. Its totient is φ = 76304540160.

The previous prime is 111066166579. The next prime is 111066166637. The reversal of 111066166585 is 585661660111.

It is a happy number.

It is not a de Polignac number, because 111066166585 - 2¹⁵ = 111066133817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212437 + ... + 516973.

It is an arithmetic number, because the mean of its divisors is an integer number (4796473500).

Almost surely, 2^111066166585 is an apocalyptic number.

It is an amenable number.

111066166585 is a deficient number, since it is larger than the sum of its proper divisors (42420985415).

111066166585 is a wasteful number, since it uses less digits than its factorization.

111066166585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304921.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 111066166585 in words is "one hundred eleven billion, sixty-six million, one hundred sixty-six thousand, five hundred eighty-five".