5721691807260 has 1296 divisors, whose sum is σ = 22002710970240. Its totient is φ = 1237195814400.

The previous prime is 5721691807211. The next prime is 5721691807301. The reversal of 5721691807260 is 627081961275.

5721691807260 is a `hidden beast` number, since 5 + 7 + 216 + 91 + 80 + 7 + 260 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5721691807197 and 5721691807206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 8682384811 + ... + 8682385469.

It is an arithmetic number, because the mean of its divisors is an integer number (16977400440).

Almost surely, 2^{5721691807260} 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 5721691807260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11001355485120).

5721691807260 is an abundant number, since it is smaller than the sum of its proper divisors (16281019162980).

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

5721691807260 is a wasteful number, since it uses less digits than its factorization.

5721691807260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 5721691807260 in words is "five trillion, seven hundred twenty-one billion, six hundred ninety-one million, eight hundred seven thousand, two hundred sixty".