109906766 has 4 divisors (see below), whose sum is σ = 164860152. Its totient is φ = 54953382.

The previous prime is 109906763. The next prime is 109906777. The reversal of 109906766 is 667609901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667609901 = 7 ⋅95372843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109906763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27476690 + ... + 27476693.

It is an arithmetic number, because the mean of its divisors is an integer number (41215038).

Almost surely, 2^109906766 is an apocalyptic number.

109906766 is a deficient number, since it is larger than the sum of its proper divisors (54953386).

109906766 is an equidigital number, since it uses as much as digits as its factorization.

109906766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54953385.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 109906766 is about 10483.6427829262. The cubic root of 109906766 is about 479.0065767639.

The spelling of 109906766 in words is "one hundred nine million, nine hundred six thousand, seven hundred sixty-six".