8148681420 has 48 divisors (see below), whose sum is σ = 24890519808. Its totient is φ = 1975437760.

The previous prime is 8148681391. The next prime is 8148681467. The reversal of 8148681420 is 241868418.

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, 6172584 + ... + 6173903.

It is an arithmetic number, because the mean of its divisors is an integer number (518552496).

Almost surely, 2^8148681420 is an apocalyptic number.

It is an amenable number.

8148681420 is an abundant number, since it is smaller than the sum of its proper divisors (16741838388).

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

8148681420 is a wasteful number, since it uses less digits than its factorization.

8148681420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12346510 (or 12346508 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 8148681420 is about 90270.0471917457. The cubic root of 8148681420 is about 2012.3141436585.

The spelling of 8148681420 in words is "eight billion, one hundred forty-eight million, six hundred eighty-one thousand, four hundred twenty".