106291655 has 4 divisors (see below), whose sum is σ = 127549992. Its totient is φ = 85033320.

The previous prime is 106291651. The next prime is 106291663. The reversal of 106291655 is 556192601.

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

It is not a de Polignac number, because 106291655 - 2² = 106291651 is a prime.

It is a super-2 number, since 2×106291655² = 22595831845278050, 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 (106291651) 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, 10629161 + ... + 10629170.

It is an arithmetic number, because the mean of its divisors is an integer number (31887498).

Almost surely, 2^106291655 is an apocalyptic number.

106291655 is a deficient number, since it is larger than the sum of its proper divisors (21258337).

106291655 is an equidigital number, since it uses as much as digits as its factorization.

106291655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21258336.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 106291655 is about 10309.7844303361. The cubic root of 106291655 is about 473.6960061271.

The spelling of 106291655 in words is "one hundred six million, two hundred ninety-one thousand, six hundred fifty-five".