109666994 has 8 divisors (see below), whose sum is σ = 165086748. Its totient is φ = 54638080.

The previous prime is 109666979. The next prime is 109667003. The reversal of 109666994 is 499666901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98743969 + 10923025 = 9937^2 + 3305^2 .

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

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, 97007 + ... + 98130.

Almost surely, 2^109666994 is an apocalyptic number.

109666994 is a deficient number, since it is larger than the sum of its proper divisors (55419754).

109666994 is a wasteful number, since it uses less digits than its factorization.

109666994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195420.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 109666994 is about 10472.2010102939. The cubic root of 109666994 is about 478.6579904396.

The spelling of 109666994 in words is "one hundred nine million, six hundred sixty-six thousand, nine hundred ninety-four".