109965644 has 12 divisors (see below), whose sum is σ = 192561600. Its totient is φ = 54948048.

The previous prime is 109965629. The next prime is 109965677. The reversal of 109965644 is 446569901.

It is a junction number, because it is equal to n+sod(n) for n = 109965595 and 109965604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779 + ... + 14850.

It is an arithmetic number, because the mean of its divisors is an integer number (16046800).

Almost surely, 2^109965644 is an apocalyptic number.

It is an amenable number.

109965644 is a deficient number, since it is larger than the sum of its proper divisors (82595956).

109965644 is a wasteful number, since it uses less digits than its factorization.

109965644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17392 (or 17390 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 109965644 is about 10486.4504957588. The cubic root of 109965644 is about 479.0920974756.

The spelling of 109965644 in words is "one hundred nine million, nine hundred sixty-five thousand, six hundred forty-four".