106206655 has 4 divisors (see below), whose sum is σ = 127447992. Its totient is φ = 84965320.

The previous prime is 106206629. The next prime is 106206677. The reversal of 106206655 is 556602601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556602601 = 6043 ⋅92107.

It is not a de Polignac number, because 106206655 - 2⁵ = 106206623 is a prime.

It is a super-2 number, since 2×106206655² = 22559707132578050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10620661 + ... + 10620670.

It is an arithmetic number, because the mean of its divisors is an integer number (31861998).

Almost surely, 2^106206655 is an apocalyptic number.

106206655 is a deficient number, since it is larger than the sum of its proper divisors (21241337).

106206655 is an equidigital number, since it uses as much as digits as its factorization.

106206655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21241336.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 106206655 is about 10305.6613082325. The cubic root of 106206655 is about 473.5697030221.

The spelling of 106206655 in words is "one hundred six million, two hundred six thousand, six hundred fifty-five".