618873384960 has 520 divisors, whose sum is σ = 2260684546560. Its totient is φ = 161896071168.

The previous prime is 618873384959. The next prime is 618873384973. The reversal of 618873384960 is 69483378816.

618873384960 is a `hidden beast` number, since 6 + 188 + 73 + 384 + 9 + 6 + 0 = 666.

It is a super-2 number, since 2×618873384960² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87917121 + ... + 87924159.

Almost surely, 2^618873384960 is an apocalyptic number.

618873384960 is a gapful number since it is divisible by the number (60) 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 618873384960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130342273280).

618873384960 is an abundant number, since it is smaller than the sum of its proper divisors (1641811161600).

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

618873384960 is an equidigital number, since it uses as much as digits as its factorization.

618873384960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 618873384960 in words is "six hundred eighteen billion, eight hundred seventy-three million, three hundred eighty-four thousand, nine hundred sixty".