5618552023986 has 128 divisors (see below), whose sum is σ = 12532945453056. Its totient is φ = 1664913761280.

The previous prime is 5618552023949. The next prime is 5618552024021. The reversal of 5618552023986 is 6893202558165.

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, 1454451091 + ... + 1454454953.

It is an arithmetic number, because the mean of its divisors is an integer number (97913636352).

Almost surely, 2^{5618552023986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5618552023986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6266472726528).

5618552023986 is an abundant number, since it is smaller than the sum of its proper divisors (6914393429070).

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

5618552023986 is a wasteful number, since it uses less digits than its factorization.

5618552023986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 5618552023986 in words is "five trillion, six hundred eighteen billion, five hundred fifty-two million, twenty-three thousand, nine hundred eighty-six".