109316661 has 8 divisors (see below), whose sum is σ = 145943904. Its totient is φ = 72783600.

The previous prime is 109316659. The next prime is 109316693. The reversal of 109316661 is 166613901.

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

It is not a de Polignac number, because 109316661 - 2¹ = 109316659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109316651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20790 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (18242988).

Almost surely, 2^109316661 is an apocalyptic number.

It is an amenable number.

109316661 is a deficient number, since it is larger than the sum of its proper divisors (36627243).

109316661 is an equidigital number, since it uses as much as digits as its factorization.

109316661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47091.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 109316661 is about 10455.4608219820. The cubic root of 109316661 is about 478.1477531485.

The spelling of 109316661 in words is "one hundred nine million, three hundred sixteen thousand, six hundred sixty-one".