7491022209216 has 1792 divisors, whose sum is σ = 30374817177600. Its totient is φ = 1753178701824.

The previous prime is 7491022209197. The next prime is 7491022209221. The reversal of 7491022209216 is 6129022201947.

It is a super-2 number, since 2×7491022209216² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4488328830 + ... + 4488330498.

It is an arithmetic number, because the mean of its divisors is an integer number (16950232800).

Almost surely, 2^{7491022209216} 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 7491022209216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15187408588800).

7491022209216 is an abundant number, since it is smaller than the sum of its proper divisors (22883794968384).

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

7491022209216 is a wasteful number, since it uses less digits than its factorization.

7491022209216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 7491022209216 in words is "seven trillion, four hundred ninety-one billion, twenty-two million, two hundred nine thousand, two hundred sixteen".