109166291 has 8 divisors (see below), whose sum is σ = 118411440. Its totient is φ = 100042272.

The previous prime is 109166269. The next prime is 109166297. The reversal of 109166291 is 192661901.

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

It is a cyclic number.

It is not a de Polignac number, because 109166291 - 2¹⁴ = 109149907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109166297) 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, 28400 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (14801430).

Almost surely, 2^109166291 is an apocalyptic number.

109166291 is a deficient number, since it is larger than the sum of its proper divisors (9245149).

109166291 is a wasteful number, since it uses less digits than its factorization.

109166291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60565.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 109166291 is about 10448.2673683248. The cubic root of 109166291 is about 477.9284146109.

The spelling of 109166291 in words is "one hundred nine million, one hundred sixty-six thousand, two hundred ninety-one".