106665236 has 6 divisors (see below), whose sum is σ = 186664170. Its totient is φ = 53332616.

The previous prime is 106665233. The next prime is 106665239. The reversal of 106665236 is 632566601.

It is an interprime number because it is at equal distance from previous prime (106665233) and next prime (106665239).

It can be written as a sum of positive squares in only one way, i.e., 104244100 + 2421136 = 10210^2 + 1556^2 .

It is a super-2 number, since 2×106665236² = 22754945141871392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106665196 and 106665205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106665233) 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, 13333151 + ... + 13333158.

It is an arithmetic number, because the mean of its divisors is an integer number (31110695).

Almost surely, 2^106665236 is an apocalyptic number.

It is an amenable number.

106665236 is a deficient number, since it is larger than the sum of its proper divisors (79998934).

106665236 is a wasteful number, since it uses less digits than its factorization.

106665236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26666313 (or 26666311 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 106665236 is about 10327.8863278020. The cubic root of 106665236 is about 474.2503202856.

The spelling of 106665236 in words is "one hundred six million, six hundred sixty-five thousand, two hundred thirty-six".