109085566 has 8 divisors (see below), whose sum is σ = 173253600. Its totient is φ = 51334368.

The previous prime is 109085551. The next prime is 109085591. The reversal of 109085566 is 665580901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604166 + ... + 1604233.

It is an arithmetic number, because the mean of its divisors is an integer number (21656700).

Almost surely, 2^109085566 is an apocalyptic number.

109085566 is a deficient number, since it is larger than the sum of its proper divisors (64168034).

109085566 is a wasteful number, since it uses less digits than its factorization.

109085566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208418.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 109085566 is about 10444.4035732061. The cubic root of 109085566 is about 477.8105812743.

The spelling of 109085566 in words is "one hundred nine million, eighty-five thousand, five hundred sixty-six".