109861608 has 64 divisors (see below), whose sum is σ = 279936000. Its totient is φ = 35924672.

The previous prime is 109861573. The next prime is 109861627. The reversal of 109861608 is 806168901.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 459553 + ... + 459791.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 2^109861608 is an apocalyptic number.

It is an amenable number.

109861608 is an abundant number, since it is smaller than the sum of its proper divisors (170074392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109861608 is a wasteful number, since it uses less digits than its factorization.

109861608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 109861608 is about 10481.4888255438. The cubic root of 109861608 is about 478.9409637508.

The spelling of 109861608 in words is "one hundred nine million, eight hundred sixty-one thousand, six hundred eight".