106615066 has 4 divisors (see below), whose sum is σ = 159922602. Its totient is φ = 53307532.

The previous prime is 106615063. The next prime is 106615079. The reversal of 106615066 is 660516601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104468841 + 2146225 = 10221^2 + 1465^2 .

It is a super-3 number, since 3×106615066³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (106615063) 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 as a sum of consecutive naturals, namely, 26653765 + ... + 26653768.

Almost surely, 2^106615066 is an apocalyptic number.

106615066 is a deficient number, since it is larger than the sum of its proper divisors (53307536).

106615066 is an equidigital number, since it uses as much as digits as its factorization.

106615066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53307535.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 106615066 is about 10325.4571811615. The cubic root of 106615066 is about 474.1759540697.

The spelling of 106615066 in words is "one hundred six million, six hundred fifteen thousand, sixty-six".