106642166 has 4 divisors (see below), whose sum is σ = 159963252. Its totient is φ = 53321082.

The previous prime is 106642147. The next prime is 106642169. The reversal of 106642166 is 661246601.

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

It is a super-2 number, since 2×106642166² = 22745103138343112, 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 as a sum of consecutive naturals, namely, 26660540 + ... + 26660543.

It is an arithmetic number, because the mean of its divisors is an integer number (39990813).

Almost surely, 2^106642166 is an apocalyptic number.

106642166 is a deficient number, since it is larger than the sum of its proper divisors (53321086).

106642166 is an equidigital number, since it uses as much as digits as its factorization.

106642166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53321085.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 106642166 is about 10326.7693883421. The cubic root of 106642166 is about 474.2161268777.

Adding to 106642166 its reverse (661246601), we get a palindrome (767888767).

The spelling of 106642166 in words is "one hundred six million, six hundred forty-two thousand, one hundred sixty-six".