8103845120 has 144 divisors (see below), whose sum is σ = 22549473408. Its totient is φ = 2732728320.

The previous prime is 8103845111. The next prime is 8103845131. The reversal of 8103845120 is 215483018.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539147 + ... + 553973.

Almost surely, 2^8103845120 is an apocalyptic number.

8103845120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8103845120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11274736704).

8103845120 is an abundant number, since it is smaller than the sum of its proper divisors (14445628288).

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

8103845120 is a wasteful number, since it uses less digits than its factorization.

8103845120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14916 (or 14902 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8103845120 is about 90021.3592432374. The cubic root of 8103845120 is about 2008.6165839288.

The spelling of 8103845120 in words is "eight billion, one hundred three million, eight hundred forty-five thousand, one hundred twenty".