106666763 has 4 divisors (see below), whose sum is σ = 121904880. Its totient is φ = 91428648.

The previous prime is 106666733. The next prime is 106666771. The reversal of 106666763 is 367666601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 106666763 - 2²⁶ = 39557899 is a prime.

It is a super-2 number, since 2×106666763² = 22755596657796338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106666763.

It is not an unprimeable number, because it can be changed into a prime (106666723) 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, 7619048 + ... + 7619061.

It is an arithmetic number, because the mean of its divisors is an integer number (30476220).

Almost surely, 2^106666763 is an apocalyptic number.

106666763 is a deficient number, since it is larger than the sum of its proper divisors (15238117).

106666763 is an equidigital number, since it uses as much as digits as its factorization.

106666763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238116.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 106666763 is about 10327.9602536028. The cubic root of 106666763 is about 474.2525833684.

The spelling of 106666763 in words is "one hundred six million, six hundred sixty-six thousand, seven hundred sixty-three".