109961606 has 8 divisors (see below), whose sum is σ = 167404440. Its totient is φ = 54160128.

The previous prime is 109961603. The next prime is 109961609. The reversal of 109961606 is 606169901.

It is an interprime number because it is at equal distance from previous prime (109961603) and next prime (109961609).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109961606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109961603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410171 + ... + 410438.

It is an arithmetic number, because the mean of its divisors is an integer number (20925555).

Almost surely, 2^109961606 is an apocalyptic number.

109961606 is a deficient number, since it is larger than the sum of its proper divisors (57442834).

109961606 is an equidigital number, since it uses as much as digits as its factorization.

109961606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820678.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 109961606 is about 10486.2579598253. The cubic root of 109961606 is about 479.0862332271.

The spelling of 109961606 in words is "one hundred nine million, nine hundred sixty-one thousand, six hundred six".