9661226425361 has 8 divisors (see below), whose sum is σ = 11041463326080. Its totient is φ = 8281004948928.

The previous prime is 9661226425337. The next prime is 9661226425463. The reversal of 9661226425361 is 1635246221669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9661226425361 - 2³⁰ = 9660152683537 is a prime.

It is a super-2 number, since 2×9661226425361² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9661226425561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481176 + ... + 5047641.

It is an arithmetic number, because the mean of its divisors is an integer number (1380182915760).

Almost surely, 2^{9661226425361} is an apocalyptic number.

It is an amenable number.

9661226425361 is a deficient number, since it is larger than the sum of its proper divisors (1380236900719).

9661226425361 is a wasteful number, since it uses less digits than its factorization.

9661226425361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712143.

The product of its digits is 5598720, while the sum is 53.

The spelling of 9661226425361 in words is "nine trillion, six hundred sixty-one billion, two hundred twenty-six million, four hundred twenty-five thousand, three hundred sixty-one".