918536487552 has 384 divisors, whose sum is σ = 2834132146560. Its totient is φ = 284851961856.

The previous prime is 918536487523. The next prime is 918536487593. The reversal of 918536487552 is 255784635819.

918536487552 is a `hidden beast` number, since 9 + 1 + 8 + 5 + 36 + 48 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 918536487552.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292805728 + ... + 292808864.

It is an arithmetic number, because the mean of its divisors is an integer number (7380552465).

Almost surely, 2^918536487552 is an apocalyptic number.

918536487552 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918536487552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417066073280).

918536487552 is an abundant number, since it is smaller than the sum of its proper divisors (1915595659008).

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

918536487552 is a wasteful number, since it uses less digits than its factorization.

918536487552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3465 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 918536487552 in words is "nine hundred eighteen billion, five hundred thirty-six million, four hundred eighty-seven thousand, five hundred fifty-two".