618059686608 has 480 divisors, whose sum is σ = 2225604635520. Its totient is φ = 162773452800.

The previous prime is 618059686603. The next prime is 618059686663. The reversal of 618059686608 is 806686950816.

618059686608 is a `hidden beast` number, since 6 + 18 + 0 + 5 + 9 + 6 + 8 + 6 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618059686603) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 289217316 + ... + 289219452.

It is an arithmetic number, because the mean of its divisors is an integer number (4636676324).

Almost surely, 2^618059686608 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 618059686608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112802317760).

618059686608 is an abundant number, since it is smaller than the sum of its proper divisors (1607544948912).

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

618059686608 is a wasteful number, since it uses less digits than its factorization.

618059686608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 618059686608 in words is "six hundred eighteen billion, fifty-nine million, six hundred eighty-six thousand, six hundred eight".