618091227208 has 32 divisors (see below), whose sum is σ = 1426364372160. Its totient is φ = 244519606080.

The previous prime is 618091227167. The next prime is 618091227227. The reversal of 618091227208 is 802722190816.

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 7 ways as a sum of consecutive naturals, for example, 424512478 + ... + 424513933.

It is an arithmetic number, because the mean of its divisors is an integer number (44573886630).

Almost surely, 2^618091227208 is an apocalyptic number.

It is an amenable number.

618091227208 is an abundant number, since it is smaller than the sum of its proper divisors (808273144952).

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

618091227208 is a wasteful number, since it uses less digits than its factorization.

618091227208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849026437 (or 849026433 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 618091227208 in words is "six hundred eighteen billion, ninety-one million, two hundred twenty-seven thousand, two hundred eight".