109867664 has 10 divisors (see below), whose sum is σ = 212868630. Its totient is φ = 54933824.

The previous prime is 109867663. The next prime is 109867673. The reversal of 109867664 is 466768901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 5664400 = 10208^2 + 2380^2 .

It is not an unprimeable number, because it can be changed into a prime (109867663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433349 + ... + 3433380.

It is an arithmetic number, because the mean of its divisors is an integer number (21286863).

Almost surely, 2^109867664 is an apocalyptic number.

It is an amenable number.

109867664 is a deficient number, since it is larger than the sum of its proper divisors (103000966).

109867664 is an equidigital number, since it uses as much as digits as its factorization.

109867664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866737 (or 6866731 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 109867664 is about 10481.7777118197. Note that the first 4 decimals coincide. The cubic root of 109867664 is about 478.9497639533.

The spelling of 109867664 in words is "one hundred nine million, eight hundred sixty-seven thousand, six hundred sixty-four".