106661042 has 8 divisors (see below), whose sum is σ = 160099500. Its totient is φ = 53294544.

The previous prime is 106661033. The next prime is 106661053. The reversal of 106661042 is 240166601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98982601 + 7678441 = 9949^2 + 2771^2 .

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

It is a super-2 number, since 2×106661042² = 22753155761051528, which contains 22 as substring.

It is an unprimeable number.

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, 14117 + ... + 20312.

Almost surely, 2^106661042 is an apocalyptic number.

106661042 is a deficient number, since it is larger than the sum of its proper divisors (53438458).

106661042 is a wasteful number, since it uses less digits than its factorization.

106661042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35980.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 106661042 is about 10327.6832832925. The cubic root of 106661042 is about 474.2441044775.

The spelling of 106661042 in words is "one hundred six million, six hundred sixty-one thousand, forty-two".