618525212108 has 48 divisors (see below), whose sum is σ = 1144916801280. Its totient is φ = 291566713536.

The previous prime is 618525212057. The next prime is 618525212143. The reversal of 618525212108 is 801212525816.

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, 17392241 + ... + 17427767.

It is an arithmetic number, because the mean of its divisors is an integer number (23852433360).

Almost surely, 2^618525212108 is an apocalyptic number.

It is an amenable number.

618525212108 is a deficient number, since it is larger than the sum of its proper divisors (526391589172).

618525212108 is a wasteful number, since it uses less digits than its factorization.

618525212108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36654 (or 36652 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 618525212108 in words is "six hundred eighteen billion, five hundred twenty-five million, two hundred twelve thousand, one hundred eight".