106611655 has 4 divisors (see below), whose sum is σ = 127933992. Its totient is φ = 85289320.

The previous prime is 106611653. The next prime is 106611677. The reversal of 106611655 is 556116601.

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

It is not a de Polignac number, because 106611655 - 2¹ = 106611653 is a prime.

It is a super-2 number, since 2×106611655² = 22732089963678050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106611653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661161 + ... + 10661170.

It is an arithmetic number, because the mean of its divisors is an integer number (31983498).

Almost surely, 2^106611655 is an apocalyptic number.

106611655 is a deficient number, since it is larger than the sum of its proper divisors (21322337).

106611655 is an equidigital number, since it uses as much as digits as its factorization.

106611655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21322336.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 106611655 is about 10325.2920055561. The cubic root of 106611655 is about 474.1708971501.

It can be divided in two parts, 1066 and 11655, that added together give a palindrome (12721).

The spelling of 106611655 in words is "one hundred six million, six hundred eleven thousand, six hundred fifty-five".