618344552 has 16 divisors (see below), whose sum is σ = 1325024160. Its totient is φ = 265004784.

The previous prime is 618344533. The next prime is 618344561. The reversal of 618344552 is 255443816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520878 + ... + 5520989.

It is an arithmetic number, because the mean of its divisors is an integer number (82814010).

Almost surely, 2^618344552 is an apocalyptic number.

It is an amenable number.

618344552 is an abundant number, since it is smaller than the sum of its proper divisors (706679608).

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

618344552 is a wasteful number, since it uses less digits than its factorization.

618344552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041880 (or 11041876 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 618344552 is about 24866.5347807048. The cubic root of 618344552 is about 851.9422951653.

The spelling of 618344552 in words is "six hundred eighteen million, three hundred forty-four thousand, five hundred fifty-two".