109261816 has 16 divisors (see below), whose sum is σ = 205300800. Its totient is φ = 54514944.

The previous prime is 109261811. The next prime is 109261871. The reversal of 109261816 is 618162901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109261811) 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, 10425 + ... + 18088.

It is an arithmetic number, because the mean of its divisors is an integer number (12831300).

Almost surely, 2^109261816 is an apocalyptic number.

It is an amenable number.

109261816 is a deficient number, since it is larger than the sum of its proper divisors (96038984).

109261816 is a wasteful number, since it uses less digits than its factorization.

109261816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28998 (or 28994 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 109261816 is about 10452.8377008351. The cubic root of 109261816 is about 478.0677763176.

The spelling of 109261816 in words is "one hundred nine million, two hundred sixty-one thousand, eight hundred sixteen".