106206661 has 12 divisors (see below), whose sum is σ = 117040000. Its totient is φ = 96303240.

The previous prime is 106206629. The next prime is 106206677. The reversal of 106206661 is 166602601.

It is not a de Polignac number, because 106206661 - 2⁵ = 106206629 is a prime.

It is a super-2 number, since 2×106206661² = 22559709681537842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106206601) 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 in 11 ways as a sum of consecutive naturals, for example, 59500 + ... + 61258.

Almost surely, 2^106206661 is an apocalyptic number.

106206661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106206661 is a deficient number, since it is larger than the sum of its proper divisors (10833339).

106206661 is a wasteful number, since it uses less digits than its factorization.

106206661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 106206661 is about 10305.6615993346. The cubic root of 106206661 is about 473.5697119400.

The spelling of 106206661 in words is "one hundred six million, two hundred six thousand, six hundred sixty-one".