618486560 has 48 divisors (see below), whose sum is σ = 1524712896. Its totient is φ = 236636928.

The previous prime is 618486551. The next prime is 618486563. The reversal of 618486560 is 65684816.

It is not an unprimeable number, because it can be changed into a prime (618486563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80354 + ... + 87713.

It is an arithmetic number, because the mean of its divisors is an integer number (31764852).

Almost surely, 2^618486560 is an apocalyptic number.

It is an amenable number.

618486560 is an abundant number, since it is smaller than the sum of its proper divisors (906226336).

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

618486560 is a wasteful number, since it uses less digits than its factorization.

618486560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168105 (or 168097 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 618486560 is about 24869.3900206660. The cubic root of 618486560 is about 852.0075087320.

The spelling of 618486560 in words is "six hundred eighteen million, four hundred eighty-six thousand, five hundred sixty".