106642165 has 16 divisors (see below), whose sum is σ = 146580480. Its totient is φ = 72961920.

The previous prime is 106642147. The next prime is 106642169. The reversal of 106642165 is 561246601.

It is a de Polignac number, because none of the positive numbers 2^k-106642165 is a prime.

It is a super-2 number, since 2×106642165² = 22745102711774450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106642169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13585 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (9161280).

Almost surely, 2^106642165 is an apocalyptic number.

It is an amenable number.

106642165 is a deficient number, since it is larger than the sum of its proper divisors (39938315).

106642165 is an equidigital number, since it uses as much as digits as its factorization.

106642165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 106642165 is about 10326.7693399243. The cubic root of 106642165 is about 474.2161253954.

Adding to 106642165 its reverse (561246601), we get a palindrome (667888766).

The spelling of 106642165 in words is "one hundred six million, six hundred forty-two thousand, one hundred sixty-five".