8118321508 has 48 divisors (see below), whose sum is σ = 16464216384. Its totient is φ = 3461667840.

The previous prime is 8118321493. The next prime is 8118321551. The reversal of 8118321508 is 8051238118.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211960 + ... + 247312.

It is an arithmetic number, because the mean of its divisors is an integer number (343004508).

Almost surely, 2^8118321508 is an apocalyptic number.

It is an amenable number.

8118321508 is an abundant number, since it is smaller than the sum of its proper divisors (8345894876).

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

8118321508 is a wasteful number, since it uses less digits than its factorization.

8118321508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35692 (or 35690 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 8118321508 is about 90101.7286626622. The cubic root of 8118321508 is about 2009.8119101572.

The spelling of 8118321508 in words is "eight billion, one hundred eighteen million, three hundred twenty-one thousand, five hundred eight".