106663769 has 4 divisors (see below), whose sum is σ = 110341860. Its totient is φ = 102985680.

The previous prime is 106663723. The next prime is 106663771. The reversal of 106663769 is 967366601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71995225 + 34668544 = 8485^2 + 5888^2 .

It is a cyclic number.

It is not a de Polignac number, because 106663769 - 2²⁰ = 105615193 is a prime.

It is a super-2 number, since 2×106663769² = 22754319234570722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106663709) 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, 1839002 + ... + 1839059.

It is an arithmetic number, because the mean of its divisors is an integer number (27585465).

Almost surely, 2^106663769 is an apocalyptic number.

It is an amenable number.

106663769 is a deficient number, since it is larger than the sum of its proper divisors (3678091).

106663769 is an equidigital number, since it uses as much as digits as its factorization.

106663769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678090.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 106663769 is about 10327.8153062494. The cubic root of 106663769 is about 474.2481461051.

The spelling of 106663769 in words is "one hundred six million, six hundred sixty-three thousand, seven hundred sixty-nine".