103810809656 has 32 divisors (see below), whose sum is σ = 205200864000. Its totient is φ = 49098875616.

The previous prime is 103810809653. The next prime is 103810809673. The reversal of 103810809656 is 656908018301.

It is a self number, because there is not a number n which added to its sum of digits gives 103810809656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103810809653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418016 + ... + 618351.

It is an arithmetic number, because the mean of its divisors is an integer number (6412527000).

Almost surely, 2^103810809656 is an apocalyptic number.

It is an amenable number.

103810809656 is a deficient number, since it is larger than the sum of its proper divisors (101390054344).

103810809656 is a wasteful number, since it uses less digits than its factorization.

103810809656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037051 (or 1037047 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 103810809656 in words is "one hundred three billion, eight hundred ten million, eight hundred nine thousand, six hundred fifty-six".