9861161233224 has 32 divisors (see below), whose sum is σ = 28174746381120. Its totient is φ = 2817474638016.

The previous prime is 9861161233169. The next prime is 9861161233241. The reversal of 9861161233224 is 4223321611689.

It is a super-3 number, since 3×9861161233224³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29348693979 + ... + 29348694314.

It is an arithmetic number, because the mean of its divisors is an integer number (880460824410).

Almost surely, 2^{9861161233224} is an apocalyptic number.

It is an amenable number.

9861161233224 is an abundant number, since it is smaller than the sum of its proper divisors (18313585147896).

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

9861161233224 is a wasteful number, since it uses less digits than its factorization.

9861161233224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58697388309 (or 58697388305 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 9861161233224 in words is "nine trillion, eight hundred sixty-one billion, one hundred sixty-one million, two hundred thirty-three thousand, two hundred twenty-four".