106206555 has 64 divisors (see below), whose sum is σ = 216437760. Its totient is φ = 43255296.

The previous prime is 106206491. The next prime is 106206601. The reversal of 106206555 is 555602601.

It is not a de Polignac number, because 106206555 - 2⁶ = 106206491 is a prime.

It is a super-2 number, since 2×106206555² = 22559664649936050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38244 + ... + 40926.

It is an arithmetic number, because the mean of its divisors is an integer number (3381840).

Almost surely, 2^106206555 is an apocalyptic number.

106206555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106206555 is an abundant number, since it is smaller than the sum of its proper divisors (110231205).

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

106206555 is a wasteful number, since it uses less digits than its factorization.

106206555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 106206555 is about 10305.6564565291. The cubic root of 106206555 is about 473.5695543905.

It can be divided in two parts, 10620 and 6555, that multiplied together give a triangular number (69614100 = T₁₁₇₉₉).

The spelling of 106206555 in words is "one hundred six million, two hundred six thousand, five hundred fifty-five".