5193619311816 has 80 divisors (see below), whose sum is σ = 15665938619100. Its totient is φ = 1598036708736.

The previous prime is 5193619311733. The next prime is 5193619311821. The reversal of 5193619311816 is 6181139163915.

5193619311816 is a `hidden beast` number, since 5 + 1 + 9 + 3 + 619 + 3 + 1 + 1 + 8 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4325759383716 + 867859928100 = 2079846^2 + 931590^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 308254831 + ... + 308271678.

Almost surely, 2^{5193619311816} is an apocalyptic number.

It is an amenable number.

5193619311816 is an abundant number, since it is smaller than the sum of its proper divisors (10472319307284).

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

5193619311816 is a wasteful number, since it uses less digits than its factorization.

5193619311816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616526540 (or 616526527 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 5193619311816 in words is "five trillion, one hundred ninety-three billion, six hundred nineteen million, three hundred eleven thousand, eight hundred sixteen".