618553048960 has 512 divisors, whose sum is σ = 1914450370560. Its totient is φ = 185462784000.

The previous prime is 618553048957. The next prime is 618553048999. The reversal of 618553048960 is 69840355816.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 276508962 + ... + 276511198.

It is an arithmetic number, because the mean of its divisors is an integer number (3739160880).

Almost surely, 2^618553048960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618553048960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957225185280).

618553048960 is an abundant number, since it is smaller than the sum of its proper divisors (1295897321600).

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

618553048960 is a wasteful number, since it uses less digits than its factorization.

618553048960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 618553048960 in words is "six hundred eighteen billion, five hundred fifty-three million, forty-eight thousand, nine hundred sixty".