59949418518 has 160 divisors (see below), whose sum is σ = 148205756160. Its totient is φ = 18035926560.

The previous prime is 59949418513. The next prime is 59949418561. The reversal of 59949418518 is 81581494995.

59949418518 is a `hidden beast` number, since 5 + 99 + 494 + 1 + 8 + 51 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59949418513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 72314928 + ... + 72315756.

It is an arithmetic number, because the mean of its divisors is an integer number (926285976).

Almost surely, 2^59949418518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59949418518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74102878080).

59949418518 is an abundant number, since it is smaller than the sum of its proper divisors (88256337642).

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

59949418518 is an equidigital number, since it uses as much as digits as its factorization.

59949418518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1012 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 63.

The spelling of 59949418518 in words is "fifty-nine billion, nine hundred forty-nine million, four hundred eighteen thousand, five hundred eighteen".