103663172028 has 48 divisors (see below), whose sum is σ = 271812473856. Its totient is φ = 30509561280.

The previous prime is 103663171991. The next prime is 103663172047. The reversal of 103663172028 is 820271366301.

103663172028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14442228 + ... + 14449403.

It is an arithmetic number, because the mean of its divisors is an integer number (5662759872).

Almost surely, 2^103663172028 is an apocalyptic number.

It is an amenable number.

103663172028 is an abundant number, since it is smaller than the sum of its proper divisors (168149301828).

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

103663172028 is a wasteful number, since it uses less digits than its factorization.

103663172028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28891674 (or 28891672 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 103663172028 in words is "one hundred three billion, six hundred sixty-three million, one hundred seventy-two thousand, twenty-eight".