5691612811716 has 240 divisors, whose sum is σ = 16466295328560. Its totient is φ = 1703145553920.

The previous prime is 5691612811691. The next prime is 5691612811789. The reversal of 5691612811716 is 6171182161965.

5691612811716 is a `hidden beast` number, since 5 + 6 + 9 + 1 + 612 + 8 + 1 + 1 + 7 + 16 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3067212811716 + 2624400000000 = 1751346^2 + 1620000^2 .

It is a super-2 number, since 2×5691612811716² (a number of 26 digits) contains 22 as substring.

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 79 ways as a sum of consecutive naturals, for example, 54691380 + ... + 54795348.

It is an arithmetic number, because the mean of its divisors is an integer number (68609563869).

Almost surely, 2^{5691612811716} 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 5691612811716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8233147664280).

5691612811716 is an abundant number, since it is smaller than the sum of its proper divisors (10774682516844).

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

5691612811716 is a wasteful number, since it uses less digits than its factorization.

5691612811716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104356 (or 104345 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The spelling of 5691612811716 in words is "five trillion, six hundred ninety-one billion, six hundred twelve million, eight hundred eleven thousand, seven hundred sixteen".