106650666 has 24 divisors (see below), whose sum is σ = 231344100. Its totient is φ = 35509056.

The previous prime is 106650623. The next prime is 106650679. The reversal of 106650666 is 666056601.

It can be written as a sum of positive squares in 2 ways, for example, as 86211225 + 20439441 = 9285^2 + 4521^2 .

It is a super-2 number, since 2×106650666² = 22748729116487112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 106650666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15310 + ... + 21158.

Almost surely, 2^106650666 is an apocalyptic number.

106650666 is an abundant number, since it is smaller than the sum of its proper divisors (124693434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106650666 is a wasteful number, since it uses less digits than its factorization.

106650666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870 (or 6867 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 106650666 is about 10327.1809318904. The cubic root of 106650666 is about 474.2287258028.

The spelling of 106650666 in words is "one hundred six million, six hundred fifty thousand, six hundred sixty-six".