109691616 has 48 divisors (see below), whose sum is σ = 304882704. Its totient is φ = 34412544.

The previous prime is 109691587. The next prime is 109691627. The reversal of 109691616 is 616196901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 31975 + ... + 35238.

It is an arithmetic number, because the mean of its divisors is an integer number (6351723).

Almost surely, 2^109691616 is an apocalyptic number.

109691616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109691616 is an abundant number, since it is smaller than the sum of its proper divisors (195191088).

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

109691616 is a wasteful number, since it uses less digits than its factorization.

109691616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67243 (or 67235 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 109691616 is about 10473.3765329048. The cubic root of 109691616 is about 478.6938098924.

The spelling of 109691616 in words is "one hundred nine million, six hundred ninety-one thousand, six hundred sixteen".