8195781148 has 24 divisors (see below), whose sum is σ = 14722120224. Its totient is φ = 3990792000.

The previous prime is 8195781109. The next prime is 8195781151. The reversal of 8195781148 is 8411875918.

It is a junction number, because it is equal to n+sod(n) for n = 8195781095 and 8195781104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141640 + ... + 190927.

It is an arithmetic number, because the mean of its divisors is an integer number (613421676).

Almost surely, 2^8195781148 is an apocalyptic number.

It is an amenable number.

8195781148 is a deficient number, since it is larger than the sum of its proper divisors (6526339076).

8195781148 is a wasteful number, since it uses less digits than its factorization.

8195781148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332733 (or 332731 counting only the distinct ones).

The product of its digits is 645120, while the sum is 52.

The square root of 8195781148 is about 90530.5536711225. The cubic root of 8195781148 is about 2016.1837849872.

The spelling of 8195781148 in words is "eight billion, one hundred ninety-five million, seven hundred eighty-one thousand, one hundred forty-eight".