109606691860 has 24 divisors (see below), whose sum is σ = 234075310560. Its totient is φ = 43099580064.

The previous prime is 109606691783. The next prime is 109606691869. The reversal of 109606691860 is 68196606901.

It is a junction number, because it is equal to n+sod(n) for n = 109606691798 and 109606691807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109606691869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46442334 + ... + 46444693.

It is an arithmetic number, because the mean of its divisors is an integer number (9753137940).

Almost surely, 2^109606691860 is an apocalyptic number.

109606691860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109606691860 is an abundant number, since it is smaller than the sum of its proper divisors (124468618700).

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

109606691860 is a wasteful number, since it uses less digits than its factorization.

109606691860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92887095 (or 92887093 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 109606691860 in words is "one hundred nine billion, six hundred six million, six hundred ninety-one thousand, eight hundred sixty".