106659166 has 4 divisors (see below), whose sum is σ = 159988752. Its totient is φ = 53329582.

The previous prime is 106659151. The next prime is 106659169. The reversal of 106659166 is 661956601.

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

It is a super-2 number, since 2×106659166² = 22752355383631112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106659169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26664790 + ... + 26664793.

It is an arithmetic number, because the mean of its divisors is an integer number (39997188).

Almost surely, 2^106659166 is an apocalyptic number.

106659166 is a deficient number, since it is larger than the sum of its proper divisors (53329586).

106659166 is an equidigital number, since it uses as much as digits as its factorization.

106659166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53329585.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 106659166 is about 10327.5924590390. The cubic root of 106659166 is about 474.2413240585.

The spelling of 106659166 in words is "one hundred six million, six hundred fifty-nine thousand, one hundred sixty-six".